What was found
M5169 EMER LT BATTERY PACK CAPACITY TEST FAILED(<P>M5169 EMER LT POWER SUPPLY REPLACED AND INSTALLATION TEST NORMAL IAW AMM 33-51-04 REV 106, 15 NOV 2022</P>)
- Difficulty date
- February 28, 2023
- Submitted
- March 2, 2023
- Operation
- Air carrier
- Aircraft
- N404KZ
- Make and model
- Boeing 747481F
- Aircraft serial
- 34283
- Aircraft time
- 58,346 hours, 11,405 cycles
- System (JASC)
- 3300 · Lighting System
- Part
- Power Supply
- Part number
- BPS73
- Part serial
- 55553
- Condition
- None
- 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.