What was found
EMEGENCY POWER PACK, M1673, FAILS EMERGENCY LIGHTING FUNCTIONAL CHECK. BATTERY DISCHARGES IN LESS THAN 10 MINS. REMOVED AND INSTALLED EMERGENCY POWER PACK M1673 IAW IAW AMM 33-51-06-960-802.
- Difficulty date
- January 15, 2026
- Submitted
- January 16, 2026
- Operation
- Air carrier
- Aircraft
- N37551
- Make and model
- Boeing 7379
- Aircraft serial
- 67181
- Aircraft time
- 10,154 hours, 3,379 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- D71701100
- Condition
- Discharged
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.