What was found
EMERGENCY LIGHT POWER SUPPLY AT STA 550 U/D L/H FAILS DEEP CYCLE
- Difficulty date
- November 8, 2023
- Submitted
- November 9, 2023
- Operation
- Air carrier
- Aircraft
- N745CK
- Make and model
- Boeing 747446
- Aircraft serial
- 26361
- Aircraft time
- 94,402 hours, 13,928 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- UNKNOWN
- Condition
- Failed
- Location
- Unknown
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.