What was found
EMERGENCY BATTERY PACK POWER SUPPLY M1676 NEEDS TO BE REPLACED. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY BATTERY PACK POWER SUPPLY M1676, INSTALL TEST GOOD REF B737-900 AMM 33-51-06-960-806.
- Difficulty date
- March 4, 2025
- Submitted
- March 7, 2025
- Operation
- Air carrier
- Aircraft
- N478AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 44105
- Aircraft time
- 33,436 hours, 10,416 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- Inoperative
- Location
- Zone 200
- 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.