What was found
AIRCRAFT IN BASE MAINTENANCE - EPSU (EMERGENCY POWER SUPPLY UNIT) M33406 INOP AT L4 DOOR. REPLACED BATTERY PACK, EPSU M33406, PER AMM 33-51-06, OPERATIONAL CHECK GOOD.
- Difficulty date
- September 3, 2020
- Submitted
- September 8, 2020
- Operation
- Air carrier
- Aircraft
- N717AN
- Make and model
- Boeing 777323ER
- Aircraft serial
- 31543
- Aircraft time
- 29,955 hours, 3,390 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 214957
- Condition
- Discharged
- Location
- Emergency Lights
- 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.