What was found
AIRCRAFT IN BASE MAINTENANCE: ** DOOR 4 LH BATTERY PACK M33405 ( AFT ) POWER VOLTAGE LOW **. MAINTENANCE REPLACED DOOR 4 LH BATTERY PACK M33405 PER AMM 33-51-06 REV 265, 10 JULY 2026.
- Difficulty date
- July 19, 2026
- Submitted
- July 20, 2026
- Operation
- Air carrier
- Aircraft
- N720AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 33522
- Aircraft time
- 52,997 hours, 6,160 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71702001
- Part serial
- 102751
- Condition
- Discharged
- 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.