SDR WRNA200700063

Service difficulty report · Sensor · Boeing 747212B

Difficulty date: December 20, 2007
Submitted: December 21, 2007
Operation: Air carrier
Aircraft: N526UP
Make and model: Boeing 747212B
Aircraft serial: 21937
Aircraft time: 92,913 hours, 17,397 cycles
System (JASC): 3418 · Stall Warning System
Part: Sensor
Part number: 2566A30A
Part serial: 26628
Condition: No Test
Location: Aoa
Stage of operation: TO
How discovered: C
Nature of condition: L
Precautionary procedure: C

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

What was found

DURING TAKEOFF, AT 80 KNOTS, CREW RECEIVED A STALL WARNING, TAKEOFF WAS ABORTED. AOA FAILED TEST IAW B747 MM 27-32-00 PG 507. REPLACED AOA SENSOR IAW 747 MM 27-32-01 PG 102. SYSTEM TEST GOOD IAW 747 MM 27-32-00 PG 507. AIRCRAFT RELEASED FOR SERVICE.

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