Service difficulty report · Anti-Ice System · Doug MD11F

Difficulty date
September 22, 2021
Submitted
September 23, 2021
Operation
Air carrier
Aircraft
N263UP
Make and model
Doug MD11F
Aircraft time
96,745 hours, 18,340 cycles
Part
Anti-Ice System
Condition
None
Location
Cabin
Stage of operation
CL
How discovered
9
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

INSPECTION TYPE:N/A**ATB**DURING CLIMBOUT PASSING FLT LVL 300, RECEIVED ICE DETECTED MSG COUNTSIDE TEMP -18CEL W/NO ICE BUILD ON WINDOWS. AT FLT LVL 360 IN CLEARED AIR. CYCLED ALL ICING EQUIPMENT OFF AND ICE DETECTED MSG REAPPEARED. SHORTLY THERE AFTERREC'D LEVELR&R #1 ENG ICE DETECTOR SENSOR PER AMM 30-82-01, LP 869960 ITEM 1 R&R #1 ENG HI STAGE PILOT VALVE SW AMM 36-11-20 LP 869961 ITEM R&R P1 2 AND PI 213 SENSORS PER AMM 36-10-02 ALSO PER TECH SUPPORT A/C OPS WERE NORMAL FOR FLIGHT PHASE IN TELEMETRY SYSTEM DUE TO FAULT ICE DETECTOR

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