- Difficulty date
- March 19, 2011
- Submitted
- March 22, 2011
- Operation
- Air carrier
- Aircraft
- N180UA
- Make and model
- Boeing 747422
- Aircraft serial
- 25224
- Aircraft time
- 83,564 hours, 10,080 cycles
- Engine
- Pwa PW4056
- Part
- Battery
- Part number
- 582233
- Condition
- Discharged
- Location
- Cabin
- 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
EMERGENCY EXIT SIGN INOP FWD STAIRWELL. REPLACED BATTERY OPS CHECKS NORMAL.