What was found
DURING EMERGENCY BATTERY PACK FUNCTIONAL CK AFT COVE EMERGENCY LIGHTS WOULD NOT ILLUMINATE (L1521). GROUNDED - YES. REMOVED & REPLACED BATTERY PACK & POWER SUPPLY M1672 REF B737-900 AMM 33-51-06. OPS CK GOOD.
- Difficulty date
- April 21, 2023
- Submitted
- April 24, 2023
- Operation
- Air carrier
- Aircraft
- N290AK
- Make and model
- Boeing 737900ER
- Aircraft serial
- 64300
- Aircraft time
- 16,676 hours, 5,264 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Discharged
- Location
- Main Cabin
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.