Service difficulty report · Switch · Boeing 7572Q8

Difficulty date
December 9, 2025
Submitted
December 12, 2025
Operation
Air carrier
Aircraft
N709TW
Make and model
Boeing 7572Q8
Aircraft serial
28168
Aircraft time
89,504 hours, 23,820 cycles
Part
Switch
Condition
Faulted
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DOOR 4R SLIDE ARM LIGHT DID NOT ILLUMINATE WITH SLIDE ARMED. REMOVED AND REPLACED DOOR 4R "SLIDE" LIGHT KORRY SWITCH REF B757 AMM 25-66. PERFORMED ADJUSTMENT OF GIRT BAR PROX. SWITCH IAW AMM 25-66 PERFORMED 4R DOOR GIRT BAR MECHANISM OPS CHK PER B757 AMM 52-11. OPS CHK GOOD. (7794586)

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