Service difficulty report · Power Supply · Boeing 767322

Difficulty date
August 2, 2021
Submitted
August 2, 2021
Operation
Air carrier
Aircraft
N674UA
Make and model
Boeing 767322
Aircraft serial
29242
Aircraft time
72,200 hours, 14,998 cycles
Part
Power Supply
Part number
582240
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.

What was found

REF L/P 6762233 DUE TO EXCESSIVE DISCHARGE OF POWER SUPPLY M1557, REQUIRES REPLACEMENT. REQUIRES MFG PART NUMBER 5822-40. ACP AMM 33-51-07. BATTERY HAD CHARGED FOR MORE THAN 16 HOURS. GROUND TESTS GOOD.