- Difficulty date
- June 2, 2013
- Submitted
- June 4, 2013
- Operation
- Air carrier
- Make and model
- Boeing 747428
- Aircraft serial
- 25238
- Aircraft time
- 83,912 hours, 11,826 cycles
- Engine
- Ge CF680C2*
- Part
- Bulb
- Condition
- Inoperative
- Location
- Emergency Light
- 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.
What was found
UPPER DECK EMERGENCY LIGHT OPS TEST FOUND FOUR BULBS INOPERATIVE.