What was found
AIRCRAFT IN BASE MAINTENANCE - L1 DOOR, EPAS (EMERGENCY POWER ASSIST SYSTEM) BATTERY FAILED OPS CHECK. REMOVED AND REPLACED L1 EPAS RESERVOIR PER AMM TASK 52-11-22-400-801, INSTALLATION TEST OKAY.
- Difficulty date
- September 4, 2020
- Submitted
- September 7, 2020
- Operation
- Air carrier
- Aircraft
- N772AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29580
- Aircraft time
- 84,236 hours, 10,703 cycles
- System (JASC)
- 2560 · Emergency Equipment
- Part
- Reservoir
- Part number
- 410045091
- Part serial
- 40806A7
- Condition
- Failed
- Location
- Power Assist
- 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.