What was found
L1 DOOR UPPER EMERGENCY EXIT LIGHT INOP FOUND BATTERY PACK M1674, WORK PERFORMED ON CARD 803827 AVIONICS 5001 (TTG8Q01D8NMM) FOUND ISSUE WITH BATTERY PACK M1674, WORK PERFORMED ON CARD 803827 AVIONICS 5001 (TTG8Q01D8NMM).
- Difficulty date
- July 18, 2026
- Submitted
- August 11, 2026
- Operation
- Air carrier
- Aircraft
- N497WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32479
- Aircraft time
- 71,506 hours, 42,812 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- 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.