What was found
AIRCRAFT IN BASE MAINTENANCE - BATTERY DISCHARGED, R3 DOOR EPSU (EMERGENCY POWER SUPPLY UNIT), M33401. REMOVED AND REPLACED EPSU M33401 PER AMM 33-51-06, OPERATIONAL CHECK GOOD.
- Difficulty date
- July 15, 2020
- Submitted
- July 21, 2020
- Operation
- Air carrier
- Aircraft
- N784AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29588
- Aircraft time
- 81,023 hours, 9,772 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Part serial
- 222282
- Condition
- Unserviceable
- 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.