- Difficulty date
- April 20, 2023
- Submitted
- April 21, 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
- 186020
- Condition
- Discharged
- Location
- M7670
- 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 EMERGECNY LIGHTS, BATTERY PACK M1670 FAILS CAPACITY CHECK (REF. AAR NR 99959557).REMOVED AND INSTALLED NEW BATTERY PACK (M1670) IAW B737 AMM 33-51-06-960-805, OPS TEST OK SDR #1032078 (WORK CCOMPLISHED BY V943433 AND AAR QC A-77 V923046).