Service difficulty report · Fuse · Boeing 7379

Difficulty date
December 19, 2025
Submitted
December 23, 2025
Operation
Air carrier
Aircraft
N37518
Make and model
Boeing 7379
Aircraft serial
64495
Aircraft time
16,679 hours, 5,518 cycles
Part
Fuse
Part number
B21506
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

DURING EMERGENCY LIGHTS OPS CHECK, BUSINESS CLASS FLOOR PROXIMITY LIGHTS INOPERATIVE. REPLACED THE POWER SUPPLY FUSES AT M2816 IAW AMM 33-51-06, OPS CHECKED NORMAL ACFT OK TO CONTINUE

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