What was found
INOPERATIVE BATTERY PACK M1673 IN THE AFT CABIN. REPLACED EMERGENCY BATTERY PACK OF POWER SUPPLY M1673 IAW AMM 33-51-06-960-805. TESTED OK.
- Difficulty date
- September 8, 2026
- Submitted
- September 12, 2026
- Operation
- Air carrier
- Aircraft
- N498WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 32480
- Aircraft time
- 71,405 hours, 42,829 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.