What was found
B777-33-3-7019 M33094 EMERGENCY POWER SUPPLY DEEP CYCLE TEST FAILED EMERGENCY POWER SUPPLY BATTERY REPLACED AND TESTED NORMAL, AS PER AMM 33-51-06.
- Difficulty date
- January 25, 2021
- Submitted
- January 25, 2021
- Operation
- Air carrier
- Aircraft
- N57016
- Make and model
- Boeing 777224
- Aircraft serial
- 28679
- Aircraft time
- 99,139 hours, 9,701 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.