Service difficulty report · Fuse · Boeing 7379

Difficulty date
July 28, 2025
Submitted
July 31, 2025
Operation
Air carrier
Aircraft
N77580
Make and model
Boeing 7379
Aircraft serial
67738
Aircraft time
3,784 hours, 1,203 cycles
Part
Fuse
Condition
Blown
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 OPERATIONAL CHECK EMERGENCY LIGHTS OPERATIONAL CHECK - L2 DOOR EXTERIOR EMERGENCY EGRESS LIGHT INOP. INTERIOR EMERGENCY EGRESS SEAT LIGHTS 22ABC-39ABC ARE INOP. OVERHEAD EMERGENCY EGRESS LIGHT INOP AT OVERHEAD BIN 31ABC. L2 DOOR EMER LT. ONE OVERHEAD EMERGENCY EXIT LIGHT INOP AND ROWS 22ABC-39ABC LIGHTS ARE INOP. ALL OTHER INTERIOR EMERGENCY EXIT LIGHTS ARE OPERATING CORRECTLY. REMOVED AND REPLACED FUSES FROM BATTERY M3378 REF AMM 33-51-06-960-01 . OPS TEST GOOD

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