SDR DL757011925

Service difficulty report · Gearbox · Boeing 757232

Difficulty date: December 11, 2001
Submitted: December 14, 2001
Operation: Air carrier
Aircraft: N661DN
Make and model: Boeing 757232
Aircraft serial: 24972
Aircraft time: 38,634 hours, 18,764 cycles
Engine time: 7,875 hours, 3,667 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Gearbox
Condition: Malfunctioned
Location: T/E Flap
Part time: 7,875 hours, 3,667 cycles
Stage of operation: LD
How discovered: O
Nature of condition: F, J
Precautionary procedure: O

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

What was found

DURING FLAP EXTENSION FROM UP TO 1 A STATUS MSG T/E FLAP DISAGREE MSG APPEARED, ACFT CONTROL FELT NORMAL. USED ALTERNATE MEANS TO LOWER FLAPS. TROUBLESHOT PER FIM 27-51-00 FIG 107 SH 1. NR 4 AND 5 FLAP GEARBOX PINS EXTENDED. SERVICED GEARBOX AND FLAP CLUTCHES. OPS CK GOOD. NO MSG ON FSEU AND EICAS. NO GEARBOX PINS EXTENDED.