Service difficulty report · Magnet · Boeing 75733N

Difficulty date
August 11, 2025
Submitted
August 18, 2025
Operation
Air carrier
Aircraft
N57863
Make and model
Boeing 75733N
Aircraft serial
32587
Aircraft time
72,014 hours, 21,964 cycles
System (JASC)
5200 · Doors
Part
Magnet
Condition
Out Of Adjust
Location
Zone 800
Stage of operation
LD
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

AFTER ARMING DOORS FOR DEPARTURE, FA WORK AND 1L ENTRY LIGHTS WOULD NO LONGER WORK. DR 1L ENTRY LIGHT AND WORK LIGHT EXTINGUISHES WHEN DR 1L IN ARMED POSITION. HAS HISTORY. REQUESTING MEL 3321B. SUSPECT RELAY K10257. REF SSM. 33-22-01-104 VERIFIED 75% OF NIGHT LIGHTS ARE WORKING. APPROVED FOR MEL 3321B COMPLIED WITH MEL *DM* M/L REPLACED K10257 AT P34 PANEL IAW SSM 33-22-01-104, NO HELP. LIGHTS ARE ALSO CONTROLLED BY RELAY K10256 WHICH IS ACTUATED BY THE COCKPIT DOOR SENSOR S10165,SSM 33-22-01 SO THE LIGHTS GO OFF IN FLIGHT WHEN THE COCKPIT DOOR OPENS. CHECK THE SENSOR & TARGET AND FOR ACTUATION OF K10256 X1 TO X2. REPLACED RELAY K10256, NO HELP. FURTHER T/S REQUIRED FOUND MAGNET ON DOOR OUT OF ADJUSTMENT. ADJUSTED MAGNET REF AMM 52-52-01-000-801-C5, LIGHTS OPS CHECK OK,

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