What was found
DURING LINE CHECK LT UPPER DECK DOOR BATTERY TEST FAILED. REPLACED POWER SUPPLY AND BATTERY. CHECKS OK ACFT RETURNED TO SERVICE.
- Difficulty date
- February 22, 2010
- Submitted
- February 23, 2010
- Operation
- Air carrier
- Aircraft
- N669US
- Make and model
- Boeing 747451
- Aircraft serial
- 24224
- Aircraft time
- 84,943 hours, 10,362 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Power Supply
- Condition
- Inoperative
- Location
- Emergency Lights
- 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.