SDR UALA2009032700909

Service difficulty report · Circuit Card · Boeing 767322

Difficulty date: March 27, 2009
Submitted: April 1, 2009
Operation: Air carrier
Aircraft: N673UA
Make and model: Boeing 767322
Aircraft serial: 29241
Aircraft time: 32,986 hours, 8,833 cycles
Engine: Pwa PW4052
System (JASC): 3418 · Stall Warning System
Part: Circuit Card
Part number: 285T110423
Part serial: D02538
Condition: Faulty
Location: Stall Warning
Stage of operation: UK
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

STATUS MESSAGE WARN ELEX . TRIED NEW PWR SUPPLY, NO HELP. SWAPPED LEFT AND RIGHT PWR SUPPLY, NO HELP. SWAP LEFT AND RIGHT STALL WARNING CARDS, NO HELP. LEFT FAULT CODE D9, RIGHT FAULT CODE C1, F/O STICK SHAKER INOP DURING RIGHT STALL WARNING TEST. REPLACED RIGHT STALL WARNING CARD AND TESTED. ALSO REPLACED RIGHT STICK SHAKER. OPS NORMAL.