What was found
AIRCRAFT NOT GROUNDED: MAINTENANCE REPORTS AFTER EMERGENCY LIGHT TEST WE FOUND AN EMERGENCY BATTERY INOP AT DOOR R4. REMOVED AND REPLACED BATTERY PACK POWER SUPPLY AT DOOR R4 IAW AMM 33-51-06. EMERGENCY LIGHT TEST CHECKED OK.
- Difficulty date
- October 23, 2019
- Submitted
- October 24, 2019
- Operation
- Air carrier
- Aircraft
- N758AN
- Make and model
- Boeing 777223
- Aircraft serial
- 32637
- Aircraft time
- 72,321 hours, 9,058 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- No Test
- 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.