What was found
EMERGENCY LIGHTS INOPERATIVE AT LT OVERWING ALL 4 LIGHT ASSYS. REPLACED BATTERY. OPS CHECKS NORMAL.
- Difficulty date
- December 17, 2006
- Submitted
- December 26, 2006
- Operation
- Air carrier
- Aircraft
- N173UA
- Make and model
- Boeing 747422
- Aircraft serial
- 24380
- Aircraft time
- 64,677 hours, 7,394 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery
- Part number
- 20131A
- Condition
- Inoperative
- Location
- Emergency Lights
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.