SDR IPXA2025080145238

Service difficulty report · Proximity Sensor · Doug MD11F

Difficulty date: August 1, 2025
Submitted: August 4, 2025
Operation: Air carrier
Aircraft: N254UP
Make and model: Doug MD11F
Aircraft serial: 48406
Aircraft time: 84,498 hours, 19,777 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Sensor
Condition: Faulted
Location: Zone 700
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

DESCENDING THROUGH 17000 W/SPEED EXTENDED, THE RIGHT GEAR HANDLE RED WARNING LIGHT CAME ON,AND STAYED ON. RE-ADJUSTED RH MLG GEAR UP AND DOOR LATCHED PROXIMITY SENSOR IAW AMM 32-61-15. PERFORMED BITE TEST IAW AMM 32-61-15-741-802. TEST GOOD.

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