What was found
EMERGENCY LT BATTERY PACKS CAPACITY CHECK FOUND POWER SUPPLY M5168 AND M5169 FAIL.(<P>POWER SUPPLY M5168 AND M5169 REPLACED AND OPERATION CHECKED NORMAL IAW AMM 33-51-04. PN: 56813 (M5168) & 57412 (M5169)</P>)
- Difficulty date
- July 15, 2023
- Submitted
- July 18, 2023
- Operation
- Air carrier
- Aircraft
- N856GT
- Make and model
- Boeing 74787UF
- Aircraft serial
- 37561
- Aircraft time
- 48,144 hours, 8,109 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- BPS73
- Part serial
- 56813
- Condition
- Unknown
- Location
- Unknown
- 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.