SDR FDEA201401090077

Service difficulty report · Pitot Line · Doug MD1010F

Difficulty date: January 9, 2014
Submitted: January 10, 2014
Operation: Air carrier
Aircraft: N550FE
Make and model: Doug MD1010F
Aircraft serial: 46521
Aircraft time: 84,962 hours, 34,152 cycles
System (JASC): 3411 · Pitot/Static System
Part: Pitot Line
Part number: 851DK
Condition: Clogged
Location: Pitot/Static Sys
Stage of operation: AP
How discovered: O
Nature of condition: S
Precautionary procedure: O

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

What was found

NOTICED "IAS" DISPARITY SHOWN ON PFD. CAPTAIN`S AIRSPEED 204KTS, STANDBY AIRSPEED & FIRST OFFICER’S AIRSPEED WAS 224KTS. AP & AT KICKED OFF. RAN AIRSPEED LOST, SUSPECT OR ERRATIC FROM QRH. SEL ELEV FEEL MAN, SEL FLAP LIM OVRD LEVEL 2 ALERTS. FOUND CAPTAIN'S PITOT TUBE CLOGGED. REMOVED PITOT TUBE & BLEW OUT LINE IAW MD-10 MM 34-11-02-2. CHANGED CAPTAIN'S ADM AS A PRECAUTION IAW MD-10 MM 34-16-01-4. ADM NEEDS OPERATIONS CHECK & NEW PITOT TUBE NEEDS INSTALLED.

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