SDR SB06059

Service difficulty report · Flap · Boeing 737401

Difficulty date: June 15, 2006
Submitted: June 16, 2006
Operation: Air carrier
Aircraft: N417US
Make and model: Boeing 737401
Aircraft serial: 23984
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap
Condition: Malfunctioned
Location: Wing
Stage of operation: DE
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

MIA FLT431, ON DESCENT TO MIA, FROM CLT, CREW REPORTED THE FLAPS LOCKED OUT AT 15 UNITS AND WOULD NOT EXTEND OR RETRACT. APPEARS THE LEFT-HAND FLAP WAS STUCK IN THE EXTENDED POSITION. FLIGHT LANDED AT MIA WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE LEFT AND RIGHT WHEEL WELL TORQUE TUBES PER MM 27-51-64-404-009. OPERATIONAL CHECK GOOD.