What was found
AIRCRAFT IN BASE MAINTENANCE: **DR5 L/H EMERGENCY POWER BATTERY CAPACITY LOW**. MAINTENANCE REPLACED POWER BATTERY AND TEST NORMAL AS PERAMM 33-51-06.
- Difficulty date
- August 3, 2025
- Submitted
- August 4, 2025
- Operation
- Air carrier
- Aircraft
- N735AT
- Make and model
- Boeing 777323ER
- Aircraft serial
- 32439
- Aircraft time
- 39,547 hours, 4,564 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D7170202001
- Part serial
- 164369
- 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.