Service difficulty report · Battery Pack · Boeing 74744AF

Difficulty date
October 11, 2017
Submitted
October 13, 2017
Operation
Air carrier
Aircraft
N573UP
Make and model
Boeing 74744AF
Aircraft serial
35662
Aircraft time
36,049 hours, 5,575 cycles
Part
Battery Pack
Part number
20131A
Part serial
35461
Condition
Discharged
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.

What was found

FOUND THE EXIT SIGN AFT OF COCKPIT NOT ILLUMINATED. REPLACED THE BATTERY PACK M5169 IAW AMM 33-51-04-902-001-001, REV 90.02.

More about the Boeing 747-44AF