What was found
UPPER DECK STATION 720-740 RT EMERGENCY LIGHT BATTERY CAP TEST FAILED. (<P>EMERGENCY POWER SUPPLY REPLACED AS PER AMM 33-51-04. </P>)
- Difficulty date
- July 4, 2019
- Submitted
- July 8, 2019
- Operation
- Air carrier
- Aircraft
- N429MC
- Make and model
- Boeing 747481
- Aircraft serial
- 24833
- Aircraft time
- 102,877 hours, 15,128 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- 90083
- Part serial
- 12544
- Condition
- Discharged
- Location
- Cabin
- Stage of operation
- NR
- 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.