Service difficulty report · Torque Tube · Boeing 757223

Difficulty date
March 8, 2015
Submitted
March 10, 2015
Operation
Air carrier
Aircraft
N662AA
Make and model
Boeing 757223
Aircraft serial
25296
Aircraft time
70,878 hours, 24,525 cycles
Part
Torque Tube
Part number
251N428122
Condition
Worn
Location
Te Flaps
Stage of operation
DE
How discovered
V
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

TE FLAP DISAGREE & EICAS MESSAGE WHEN FLAPS ONE WAS SELECTED. FLAPS MOVED TO 20 DEGREES USING ALTERNATE SYS. EMERGENCY DECLARED, LANDING UNEVENTFUL. FOUND NR 4 & 8 FLAP TRANSMISSIONS TRIPPED. SERVICED NR 4 & 8 TRANSMISSIONS IAW AMM 12-13-06. RESET NR 4 & 8 FLAP TRANSMISSION LIMIT INDICATORS IAW AMM 27-51-25. R & R OTBD TORQUE TUBE AT NR 8 GEARBOX IAW AMM 27-51-25. PERFORMED OPERATIONAL CHECKS. SYS CHECKED NORMAL.