Service difficulty report · Coupler · Boeing 7377CT

Difficulty date
March 8, 2020
Submitted
March 17, 2020
Operation
Air carrier
Aircraft
N7825A
Make and model
Boeing 7377CT
Aircraft serial
32750
Aircraft time
58,468 hours, 29,416 cycles
Part
Coupler
Condition
Slipped
Location
Te Flap
Stage of operation
UK
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

SUPPLEMENTAL INFORMATION------------------------------------DECLARED EMERGENCY---------------------------------------------------------------------FLAP ASYMMETRY ON SELECTING FLAPS LEFT AT 10, RIGHT AT 5. LANDED FLAPS 5 / INSPECTED FLAPS(TRAILING EDGE) AND FOUND #5 "T" GEAR BOX COUPLER SLIPPING ON OUTBOARD TORQUE TUBE R/R'D OUTBOARD COUPLER OF #5 "T" GEARBOX IAW CMM 27-55-81 ALSO FOUND FLAP FOLLOW-UP CABLE BRROKEN R/R'D FLAP FOLLOW CABLE IAW AMM 27-51-51 C/W APS/TEST IAW AMM / 27-51-00 ALLL OPS CKS NORMAL EMP 57719/31149

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