SDR FDEA201405311238

Service difficulty report · Altimeter · Doug MD1030F

Difficulty date: May 31, 2014
Submitted: June 2, 2014
Operation: Air carrier
Aircraft: N321FE
Make and model: Doug MD1030F
Aircraft serial: 47836
Aircraft time: 94,165 hours, 27,645 cycles
System (JASC): 3416 · Altimeter, Barometric/Encoder
Part: Altimeter
Part number: WL101AMS5
Part serial: AF506
Condition: Malfunctioned
Location: Cockpit
Part time: 8,760 hours, 3,241 cycles
Stage of operation: CL
How discovered: O
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

STANDBY ALTITUDE UNUSABLE. DURING CLIMB THE ALTIMETER STUCK AT 11, 5, 12, 4, 14, 7, 15, 5, 17, 4, 18, 6, 19, 3, 19, 5, 20 & 4 & OTHER ALTITUDES AFTER REACHING 350 THE ALTIMETER FINALLY CAUGHT UP TO THE OTHER ALTIMETERS. ON DESCENT STBY ALT STUCK MULTIPLE TIMES. R & R STBY ALTIMETER. OPERATIONS CHECKED NORMAL.

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