SDR AALA20111209TUL02

Service difficulty report · Sensor · Boeing 737823

Difficulty date: December 8, 2011
Submitted: December 16, 2011
Operation: Air carrier
Aircraft: N972AN
Make and model: Boeing 737823
Aircraft serial: 30097
Aircraft time: 31,033 hours, 13,029 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Sensor
Condition: Inoperative
Location: Te Flap
Stage of operation: AP
How discovered: O
Nature of condition: O
Precautionary procedure: L

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

What was found

SEA - CREW REPORTED ON APPROACH FLAPS WOULD NOT GO OUT EVEN TO ONE DEGREE. RIGHT INDICATOR SHOWED UP AND LEFT INDICATOR SHOWED 1/3 BETWEEN UP AND ONE DEGREE ON TRAILING EDGE FLAP INDICATOR. QRH PROCEDURES UTILIZED AND PERFORMED GO AROUND AND LANDED NO FLAPS/SLATS. EMERGENCY DECLARED FLIGHT LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED NUMBER 6 SKEW SENSOR. SYSTRM GROUND CHECK NORMAL OPERATION.