Service difficulty report · Test Switch · Doug MD11F

Difficulty date
July 10, 2026
Submitted
July 10, 2026
Operation
Air carrier
Aircraft
N631FE
Make and model
Doug MD11F
Aircraft serial
48454
Aircraft time
114,807 hours, 24,173 cycles
Part
Test Switch
Condition
Inoperative
Location
Zone 800
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

R1 DOOR SLIDE PRESS TO TEST LIGHT IS INOPERATIVE AMM 25-61-04-4. R & R BATTERIES & BOTH LAMPS. NO HELP. R & R REMOTE PRESSURE INDICATOR ASSY IAW AMM 25-61-04-4. INDICATOR KIT BAD FROM STOCK. INDICATOR STILL INOP. SLIDE BOTTLE PRESSURE NORMAL. RELEASED FOR SERVICE PER MEL 25-61-02 CATEGORY C. R1 EVAC SLIDE REMOTE PRESS INDICATOR INOP. IAW MEL 25-61-02, VERIFY AND RECORD IN THE AML, EVAC SLIDE SYS PRESS ADEQAUTE ONCE EACH FLIGHT DAY. MEL: 25-61-02. DISCOVERED THE BATTERIES INSTALLED INCORRECTLY ON REMOTE PRESSURE SWITCH, INSTALLED IN CORRECT POSITIONS, SWITCH CHKD GOOD IAW AMM 25-61-04-4. THIS CLEARS DEFERRAL.

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