What was found
EMERGENCY LIGHTING SYSTEM BATTERY PACK M1670 CAPACITY CHECK FAIL. REMOVED AND INSTALLED NEW BATTERY PACK M1670, PERFORMED TEST, TEST PASS. IAW AMM 33-51-06-960-805 STEP 4. E (5), (6) AND (7).
- Difficulty date
- June 2, 2026
- Submitted
- June 3, 2026
- Operation
- Air carrier
- Aircraft
- N14249
- Make and model
- Boeing 737824
- Aircraft serial
- 28809
- Aircraft time
- 77,272 hours, 29,906 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ADD71701100
- Condition
- Failed
- 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.