Service difficulty report · Power Supply · Boeing 757324

Difficulty date
July 31, 2026
Submitted
July 31, 2026
Operation
Air carrier
Aircraft
N75853
Make and model
Boeing 757324
Aircraft serial
32812
Aircraft time
69,670 hours, 22,612 cycles
Part
Power Supply
Part number
D71702001
Condition
Faulted
Location
Zone 200
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 LIGHTS OPS TEST WITH THE TEST SWITCH PROCEDURE, LT AFT OVERWING EXIT IDENTIFIER NEEDS RELAMPED RELAMPED 3 INOP LAMPS REF AMM 33-51-10-962-040 OPS CK FAILED ALL LAMPS ON THIS ASSY INOP REPLACED FUSE F4 IN M11383POWER SUPPLY. LIGHTS OP CK GOOF REF AMM 33-51-00-715-039 PARTS USED:AD-B215-06,QTY :1