SDR CALA9800680

Service difficulty report · Torque Tube · Boeing 737130

Difficulty date: April 19, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N14206
Make and model: Boeing 737130
Aircraft serial: 19023
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Torque Tube
Condition: Damaged
Location: Rt Te Flap
Stage of operation: AP
Nature of condition: J
Precautionary procedure: O

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

What was found

WHEN FLAPS WERE EXTENDED ON APPROACH, THE FLAP INDICATOR DID NOT MOVE. THE FLAPS WERE LOWERED MANUALLY AND THE AIRCRAFT LANDED WITHOUT INCIDENT. TROUBLESHOOTING FOUND THE RT INBOARD FLAP TORQUE TUBE DAMAGED. THE TORQUE WAS REMOVED AND REPLACED IAW MM 27-51-251. IN ADDITION, MAINTENANCE FOUND A BAD FLAP POSITION INDICATOR. THE FLAP POSITION INDICATOR WAS REMOVED AND REPLACED IAW MM 27-58-41. FLAP OPERATION AND INDICATIONS CHECKED GOOD.