What was found
EMERGENCY POWER PACK, M1673, FAILS EMERGENCY LIGHTING FUNCTIONAL CHECK. BATTERY DISCHARGES IN LESS THAN 8 MINS (REF AAR NR 999577 88). REMOVED AND REPLACED EMERGENCY BATTERY PACK M1673 IAW 737 AMM 33-51-06-960-805. OPS CHECK GOOD.
- Difficulty date
- February 15, 2023
- Submitted
- February 17, 2023
- Operation
- Air carrier
- Aircraft
- N76288
- Make and model
- Boeing 7378
- Aircraft serial
- 33451
- Aircraft time
- 58,663 hours, 21,003 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Part serial
- 232399
- Condition
- Discharged
- Location
- M1673
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.