What was found
AFT LEFT EMERGENCY LIGHT SYS BATTERY PACK M1672 FAILED A CAPACITY CHECK. R & R THE BATTERY PACK IAW AMM 33-51-06.
- Difficulty date
- September 15, 2026
- Submitted
- September 22, 2026
- Operation
- Air carrier
- Aircraft
- N7889A
- Make and model
- Boeing 73779L
- Aircraft serial
- 34023
- Aircraft time
- 52,306 hours, 31,696 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Failed
- Location
- Zone 200
- 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.