SDR USAASB96058

Service difficulty report · Attach Pin · Boeing 7374B7

Difficulty date: March 28, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N442US
Make and model: Boeing 7374B7
Aircraft serial: 24841
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Attach Pin
Condition: Disengaged
Location: Nr 7 Te Flap
Stage of operation: CL
Nature of condition: O
Precautionary procedure: A

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

What was found

PIT - FL 975 - AFTER TAKEOFF, CREW COULD NOT GET THE FLAPS TO RETRACT. FLIGHT RETURNED TO PIT AND LANDED WITH NO FURTHER INCIDENT. MAINTENANCE FOUND THE ATTACH PIN FOR THE NR 7 FLAP JACKSCREW BACKED OUT, JAMMING THE FLAP TRANSMISSION. THE PIN WAS REINSTALLED AND SECURED. (M)

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