Service difficulty report · Battery Pack · Boeing 7377H4
FAA SDR system
- Difficulty date
- January 2, 2024
- Submitted
- January 24, 2024
- Operation
- Air carrier
- Aircraft
- N423WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29827
- Aircraft time
- 71,926 hours, 42,876 cycles
- Part
- Battery Pack
- Part number
- UNKNOWN
- Condition
- No Test
- Location
- Zn 200 Fus Top
- 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.
What was found
EMERGENCY BATTERIES PACKS M1674; M1675; M1672 AND M1673FAIL CAPACITY TEST EMERGENCY BATTERIES PACKS M1674 M1675 M1672 AND M1673FAIL CAPACITY TEST<[01] REMOVED AND REPLACED BATTERY PACKS M1672; M1673; M1674 & M1675 PER AMM 33-51-06-960-805.;[02] VERIFIED CORRECTIVE ACTION #1