Service difficulty report · Heater · Boeing 737924ER

Difficulty date
June 24, 2026
Submitted
June 30, 2026
Operation
Air carrier
Aircraft
N66808
Make and model
Boeing 737924ER
Aircraft serial
42820
Aircraft time
38,733 hours, 14,296 cycles
System (JASC)
5200 · Doors
Part
Heater
Part number
1168175
Part serial
191
Condition
Odor
Location
Zone 200
Part time
25,237 hours, 9,207 cycles
Stage of operation
TX
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.

What was found

STRONG ELECTRICAL/CHEMICAL ODOR AROUND ROW 34 ABC REPORTED BY F/A DURING DEPLANING. NO VISIBLE SMOKE. PERFORMED QUICK TEST & CONFIG CHK, QUICK TEST RETURNED NO FAULTS & CONFIG CHK SHOWS ALL LRU'S REPORTING WITH NO ERROR. CHKD AGAIN FOR ODOR NEAR 34ABC MONITOR, OUTLETS, & HPSEB. NO ODORS NOTED. TURNING OVER TO NEXT SHIFT FOR GVI OF CONNECTORS/HARNESSES. WORK DONE IAW AMM 44-25-00. POWERED DOWN ACFT & ENERGIZED AGAIN. NO FURTHER ODOR NOTEDE & NO CURRENT ODOR PRESENT, NO VISIBLE SMOKE. COMPLETED INITIAL INSPECTION UP TO STEP C.(1) B. IAW AMM 05-51-26-800-801-C1. TURNED OFF IFE PWR & PULLED BREAKERS. PERFORMED GVI OF HPSEB & SEAT TO SEAT CONNECTORS UNDER ROWS 32, 34, AND 35ABC, NO FAULTS FOUND. IFE/PED SYS OPS CHKD GOOD, Q/T, ALL TEST & CONFIG NO FAULTS. NO SUSPECT ODOR PRESENT THROUGHOUT ACFT. IAW AMM 44-25-82-000/400-801, 44-25-00-860-801/802. PERFORMED OPS CHK OF DOOR HEATING SYSTEM IAW AMM 21-45.