Service difficulty report · Light · Boeing 7379

Difficulty date
January 19, 2025
Submitted
January 23, 2025
Operation
Air carrier
Aircraft
N27509
Make and model
Boeing 7379
Aircraft serial
43443
Aircraft time
14,130 hours, 4,735 cycles
Part
Light
Part number
9651350005
Part serial
9398
Condition
Malfunctioned
Location
Zone 200
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

SIDEWALL LIGHT WILL NOT TURN OFF 11F SIDEWALL LIGHT AT SEAT 11F IS STROBING. LIGHT IS NIS LAS. PULLED AND COLLARED C/B PANEL P92 C/B E-11 WDO LT RIGHT. CLOSED AND SECURED E&E BAY DOOR. REQUEST MEL 3321A. DDP CW AND PLACARDED. UPDATED PARTS REQUIRED. LIGHT DEACTIVATED - TOMC APPROVED DEFERRED SIDEWALL LIGHT AT 11F PER MEL 3321A. C/B P92 E11 PULLED AND COLLORED. DDP C/W AND PLACARDED. *DM* ASSIST: {LT ASSY/60-3321-3-0007 PREV ORDERED.} IF INSUFF FOR RECOVERY, PLEASE UPDATE LP W/REQD PART NBRS & REFERENCE SOURCE REPLACED R/H ROW 11 FED SIDEWALL LIGHT REF: AMM 33-21-00. DURING OPS CHECK, THE LIGHT DID NOT RESPOND AS EXPECTED TO THE SELECTED SETTINGS, IT DID NOT TURN OFF WHEN OFF WAS SELECTED. LIGHT IS NOT FLICKERING ANYMORE. COMPLIED WITH MEL 3321A, PULLED AND COLLARED C/B P92 E11 PERFORMED ACP SOFTWARE LOADING PER AMM TASK 23-42-03-470-801. TEST WINDOW LIGHTS PER AMM TASK 33-21-00-960-801. TESTED GOOD.

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