SDR UALA2012051002706

Service difficulty report · Flap System · Boeing 757222

Difficulty date: May 10, 2012
Submitted: June 5, 2012
Operation: Air carrier
Aircraft: N557UA
Make and model: Boeing 757222
Aircraft serial: 26653
Aircraft time: 70,444 hours, 20,947 cycles
Engine: Pwa PW2037
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap System
Condition: Malfunctioned
Location: Te Flaps
Stage of operation: NR
How discovered: O
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

TRAILING EDGE FLAP DISAGREE MESSAGE GOING FROM FLAPS 20 TO 25. LOCKOUT AT ABOUT FLAPS 20, MADE GO AROUND. SELECTED ALTERNATE FLAPS AND EXTENDED FLAPS TO FULL DOWN FOR LANDING. FLAPS LEFT EXTENDED AND IN ALTERNATE ON ARRIVAL TO GATE. FSEU SHOWS, FLAP FAIL WITH MESSAGES 217, 304 AND FDE: FLAP LD RELF. ACCOMPLISHED FIM 27-51-00 FIG 105 FOUND FLAP TRANSMISSION OVER LOAD IND TRIPPED ON NR 1, 2 AND 5 RESET, CYCLED FLAPS SEVERAL TIMES FLAPS OPERATED NORMAL.