What was found
WHILE OPS TESTING PRIOR BATTERY PACK FOR EMER LIGHTS, TWO DIFFERENT SECTIONS WENT OUT. REMOVED AND REPLACED M1695 AND M1670 EMERGENCY BATTERY PACKS REF B737 AMM 33-51.
- Difficulty date
- November 17, 2025
- Submitted
- November 18, 2025
- Operation
- Air carrier
- Aircraft
- N398DA
- Make and model
- Boeing 737832
- Aircraft serial
- 30774
- Aircraft time
- 72,538 hours, 33,725 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Condition
- Inoperative
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.