SDR CALA2013092691465

Service difficulty report · Bolt · Boeing 777222

Difficulty date: September 25, 2013
Submitted: September 27, 2013
Operation: Air carrier
Aircraft: N780UA
Make and model: Boeing 777222
Aircraft serial: 26944
Aircraft time: 70,394 hours, 12,275 cycles
Engine: Pwa PW4077
System (JASC): 2510 · Flight Compartment Equipment
Part: Bolt
Condition: Loose
Location: Cockpit Seat
Stage of operation: IN
How discovered: C
Nature of condition: O
Precautionary procedure: K

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

What was found

FIRST OFFICER`S SEAT WILL NOT MOVE. SEAT FOUND JAMMED AT THE FULL AFT POSITION & UNABLE TO MOVE EITHER ELECTRICALLY OR MECHANICALLY DUE TO ELECTRICAL ACTUATOR MOVEMENT CAUSED BY LOOSE ATTACHMENT BOLTS. RETIGHTENED BOLTS, SEAT NOW OPERATES OK IN BOTH ELECTRICAL & OVERRIDE MODES. SUSPECT ALSO DRIVE MOTOR CLUTCH DAMAGED DUE TO ASSEMBLY HAVING BEEN FOUND LOOSE PREVIOUSLY PTT 3942003. LIMIT MICROSW ALSO BROKEN. REPLACED SEAT ASSEMBLY IAW MM25-11-01. OPERATIONS CHECKED GOOD.