What was found
FOUND EMER LIGHT BATTERY ASSEMBLY FUNCTION FAIL M7915 DRL 1 OVHD. REPLACED EMER LIGHT POWER SUPPLY & CONDITON CHECKD NORMAL & PERFORMED POWER SUPPLY TEST & THE RESULTS WAS SATISFACTORY IAW AMM 33-51-04.
- Difficulty date
- August 5, 2014
- Submitted
- August 7, 2014
- Operation
- Air carrier
- Aircraft
- N780BA
- Make and model
- Boeing 747409
- Aircraft serial
- 24310
- Aircraft time
- 73,578 hours, 14,401 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Part number
- 20131A
- Part serial
- 46531
- Condition
- Inoperative
- Location
- Cabin
- 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.