SDR 2000UALA00048

Service difficulty report · Indicator · Boeing 767322

Difficulty date: January 18, 2000
Submitted: October 4, 2000
Operation: Air carrier
Aircraft: N670UA
Make and model: Boeing 767322
Aircraft serial: 29240
Engine: Pwa PW4052
System (JASC): 3414 · Airspeed/Mach Indicator
Part: Indicator
Condition: Stuck
Location: Cockpit
Stage of operation: DE
How discovered: O
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

MACH AIRSPEED INDICATOR STICKING WITH FLAG IN VIEW. *S/D* CAPTAIN MACH AIRSPEED INDICATOR STICKS WITH AIRSPEED FLAG OCCURRED ON FINAL DESCENT AND INTERMITTENTLY DURING APPROACH. REPLACED CAPTAIN MACH AIRSPEED INDICATOR (P/N 4039891-906). COMPONENT SENT TO THE MANUFACTURER FOR REPAIR. MOTOR STICKS AFTER HEATING, AIRSPEED MOTOR REPLACED.