Service difficulty report · Fuse · Boeing 737823

Difficulty date
August 25, 2024
Submitted
August 27, 2024
Operation
Air carrier
Aircraft
N979AN
Make and model
Boeing 737823
Aircraft serial
29568
Aircraft time
45,123 hours, 18,925 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

AIRCRAFT IN BASE MAINTENANCE: DURING OPERATIONAL CHECK OF EMERGENCY LIGHTS. NOTICED THAT LEFT WING FORWARD OVERWING LIGHT AND ROWS 15 TO 25 ISLE LIGHTS WERE INOPERATIVE. TROUBLESHOT SYSTEM AND ISOLATED FUSES WERE BURNED OUT INTERNALLY. REMOVED AND REPLACED 5 EACH FUSES (AALA202408273769), (AALA202408276632), (AALA202408274870), (AALA202408273425), (AALA202408270383). OPERTIONAL CHECK GOOD.