Service difficulty report · Battery · Boeing 747422

Difficulty date
June 11, 2015
Submitted
June 15, 2015
Operation
Air carrier
Aircraft
N199UA
Make and model
Boeing 747422
Aircraft serial
28717
Aircraft time
71,312 hours, 8,158 cycles
Engine
Pwa PW4056
Part
Battery
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

OVER THE WING EMER EXIT LIGHT 2 LT FWD ARE INOPERATIVE. REPLACED BATTERY PCN 563-1188 & CHARGER PCN 563-1046 IAW AMM 33-51-04. OPERATIONS CHECKED GOOD IAW AMM33-51-04 PG 207-208. ALSO RELAMPED & CLEANED LAMP SOCKETS.