SDR USAA2012062500014

Service difficulty report · Circuit Card · Boeing 7374B7

Difficulty date: June 24, 2012
Submitted: June 25, 2012
Operation: Air carrier
Aircraft: N456UW
Make and model: Boeing 7374B7
Aircraft serial: 25020
Aircraft time: 57,225 hours, 37,767 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Circuit Card
Condition: Failed
Location: Te Flap
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: K

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

What was found

DURING APPROACH INTO CLT, THE TRAILING EDGE FLAPS WOULD NOT EXTEND PAST 30 UNITS. MAINTENANCE REMOVED AND REPLACED FLAP LOAD LIMITER CIRCUIT CARDS M1452 AND M1453 IAW AMM 32-09-20-004. OPS CHECK NORMAL. ALSO, REFERENCE FLAP LOAD LIMITER TEST IAW AMM 27-51-00-725-113. TESTS OK. AIRCRAFT OK FOR SERVICE.

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