What was found
EMERGENCY BATTERY PACK M1671 FAILS OPS CHECK. GROUNDED - YES. REMOVED AND REPLACED M1671 BATTERY PACK AND POWER SUPPLY IAW B737-900 AMM 33-51-06. OPS CHECKS GOOD AMM 53-51-06.
- Difficulty date
- October 4, 2022
- Submitted
- October 7, 2022
- Operation
- Air carrier
- Aircraft
- N423AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 35206
- Aircraft time
- 34,367 hours, 10,932 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- D71701100
- Condition
- Failed
- Location
- Main Passenger C
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.