What was found
AFTER TAKEOFF AND DURING CRUISE, A STRONG ODOR OF HEATER BURN WAS NOTED IN THE COCKPIT AND AROUND ROWS 6 AND 7. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED BOTH RECIRCULATION AIR FILTERS IAW AMM 21-25-01. OPERATIONAL CHECK GOOD.
- Difficulty date
- December 26, 2016
- Submitted
- December 29, 2016
- Operation
- Air carrier
- Aircraft
- N825NN
- Make and model
- Boeing 737823
- Aircraft serial
- 31087
- Aircraft time
- 22,311 hours, 8,610 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Filter
- Part number
- P199753
- Condition
- Dirty
- Location
- Recirculation
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.