What was found
AIRCRAFT IN BASE MAINTENANCE: EMERGENCY LIGHTING BATTERY PACK POWER SUPPLY AT L1 DOOR FAILED. REPLACED BATTERY PACK POWER SUPPLY PER AMM 33-51-00 OPERATIONAL CHECKED GOOD.
- Difficulty date
- September 22, 2025
- Submitted
- September 23, 2025
- Operation
- Air carrier
- Aircraft
- N938NN
- Make and model
- Boeing 737823
- Aircraft serial
- 33490
- Aircraft time
- 35,223 hours, 15,411 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 320320
- Condition
- Failed
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.