What was found
AIRCRAFT IN BASE MAINTENANCE. EMERGENCY LIGHTS, FORWARD CABIN OVER ROWS 1 THRU 5, LT AISLE, INOPERATIVE. REMOVED AND REPLACED EPSU (EMERGENCY POWER SUPPLY UNIT) BATTERY PACK PER AMM 33-51-06, OPERATIONAL CHECK OKAY.
- Difficulty date
- May 27, 2020
- Submitted
- May 29, 2020
- Operation
- Air carrier
- Aircraft
- N779AN
- Make and model
- Boeing 777223
- Aircraft serial
- 29955
- Aircraft time
- 84,909 hours, 10,101 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Discharged
- Location
- Cabin
- 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.