What was found
3 EACH CABIN EMERGENCY LIGHTING BATTERY PACKS FAIL CAPACITY TEST. REMOVED AND REPLACED 3 EACH CABIN EMERGENCY LIGHTING BATTERY PACKS AT LOCATIONS M1668; M1670; AND M1672, PER AMM 33-51-06 AND ENG DWG 33500005.
- Difficulty date
- January 6, 2021
- Submitted
- January 12, 2021
- Operation
- Air carrier
- Aircraft
- N7751A
- Make and model
- Boeing 7377BD
- Aircraft serial
- 36717
- Aircraft time
- 41,807 hours, 21,244 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.