SDR USAA2014010600002

Service difficulty report · Transmitter · Boeing 7572B7

Difficulty date: January 4, 2014
Submitted: January 6, 2014
Operation: Air carrier
Aircraft: N938UW
Make and model: Boeing 7572B7
Aircraft serial: 27246
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Transmitter
Part number: 18196912
Part serial: 731
Condition: Malfunctioned
Location: Te Flap
Part time: 63,000 hours, 23,870 cycles
Stage of operation: AP
How discovered: O
Nature of condition: F, J
Precautionary procedure: K

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

What was found

FLT 1796, ENROUTE EICAS MESSAGE. TE FLAP DISAGREE WHEN FLAP 1 POSITION SELECTED. FLAPS FAILED TO MOVE TO SELECTED POSITION. ACCOMPLISHED QRH PROCEDURE. R & R FLAP LEVER POSITION TRANSMITTER. NO UNUSUAL CONDITIONS NOTED, PASSED BENCH TEST. CONTAMINATED, CLEANED & TESTED IAW MANUFACTURER`S SPECS.

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