What was found
DURING TC 78233001, CAPACITY CHECKS FAILED FOR EMERGENCY LIGHT BATTERY PACKS M1671 & M1673. GROUNDED - YES. BATTERY PACKS REMOVED & REPLACED FOR EMERGENCY LIGHT POWER SUPPLIES M1671 & M1673 REF AMM 33-51-00. OPS CHECKS GOOD.
- Difficulty date
- March 18, 2025
- Submitted
- March 19, 2025
- Operation
- Air carrier
- Aircraft
- N260AK
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36349
- Aircraft time
- 31,454 hours, 10,093 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- D71702001
- Condition
- No Test
- 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.