Service difficulty report · Power Supply · Boeing 7377BD

Difficulty date
March 5, 2025
Submitted
March 6, 2025
Operation
Air carrier
Aircraft
N7748A
Make and model
Boeing 7377BD
Aircraft serial
36399
Aircraft time
55,569 hours, 28,876 cycles
Part
Power Supply
Condition
Inoperative
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

R/H OVERWING INTERIOR EXIT LIGHT LOWER AND UPPER INOP<[01] REPLACED FUSE 1 TO POWER SUPPLY M1669 PER AMM 33-51-06-960-804 AND WM 33-51-21. GOOD OPERATIONAL TEST.;[02] PERFORMED FIM TASK 33-50 TASK 801 STEP J; 3. FOUND BAD FUSE. REPLACED FUSE 1 TO POWER SUPPLY M1669 PER AMM 33-51-06-960-804 AND WM 33-51-21. GOOD OPERATIONAL TEST.<BR><BR>MULTIMETER<BR>ID: ATS1508<BR>DUE: 09/2025;[03] VERIFIED CORRECTIVE ACTION

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