IllustrationThe contact owns a 2021 Forest River Sierra Model 379FLOK travel trailer. The contact stated that while the travel trailer oven was in use, the heat vent on the back of the oven melted the backsplash. The travel trailer was not diagnosed nor repaired. The dealer and manufacturer were not made aware of the failure.
2021 Forest River Sierra
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.
About this comparison →3Owner complaints
Model-year median: 0.5
1Recall campaignsView recall details →
0InvestigationsView investigation details →
Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.
Inspection summary
2021 Forest River Sierra
NHTSA snapshot: September 18, 2026. 3 owner complaints · 1 recall campaigns · 0 investigations.
Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.
Top reported categories (up to 5)
- Electrical System: 1 reports
- Firerelated: 1 reports
- Service Brakes: 1 reports
- Unknown Or Other: 1 reports
Full reported-category list and vehicle report
Recall links
Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.
Print the top reported categories, recall links, snapshot date and comparison limits.
How this year compares
Owner complaints by model year
Compare all Sierra years →Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 3 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports1 fire reports0 injury reports
Firerelated complaints
1 reportsRecall campaigns
121V378000 · Equipment:recreational Vehicle/trailer; Structure:frame And Members
May 24, 2021
Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.
Consequence & remedy
Consequence: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
Remedy: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
Additional source detail variants (2)
Equipment:recreational Vehicle/trailer
Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.
Consequence: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
Remedy: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
Structure:frame And Members
Forest River, Inc. (Forest River) is recalling certain 2021 Sierra and Sandpiper Fifth Wheel and Travel Trailers. The bolts that hold the floor to the chassis were improperly tightened.
Consequence: Improperly tightened bolts could cause the trailer body to detach from the chassis, increasing the risk of a crash.
Remedy: Dealers will tighten the bolts to the chassis outriggers, free of charge. Owner notification letters were mailed June 9, 2021. Owners may contact Forest River customer service at 1-574-534-4574. Forest River's number for this recall is 03-1347.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Defect investigations
0No exact-year investigations in this snapshot.
An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.