- Difficulty date
- April 17, 2023
- Submitted
- April 19, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7378
- Aircraft serial
- 28776
- Aircraft time
- 76,501 hours, 27,624 cycles
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 186018
- Condition
- Discharged
- Location
- M1673
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER CABIN EMERGENCY LIGHTS, BATTERY PACK M1673 FAILS CAPACITY CHECK (REF. AAR NR 99970259). REMOVED AND INSTALLED NEW BATTERY PACK M1673 IAW B737 AMM 33-51-06-960-805, TEST OK SDR NO. 1032041 (WORK ACCOMPLIHSED BY V936248 AND AAR QC A-77 V923046).