Service difficulty report · Fitting · Boeing 7377CT

Difficulty date
October 18, 2022
Submitted
November 17, 2022
Operation
Air carrier
Aircraft
N569WN
Make and model
Boeing 7377CT
Aircraft serial
33656
Aircraft time
66,340 hours, 34,395 cycles
Part
Fitting
Condition
Cracked
Location
Zn 100 Fus Lower
Stage of operation
IN
How discovered
9
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

FWD 2 HINGE FITTINGS ARE CRACKED COMMON TO INSIDE SURFACE OF FAIRING PANEL 192CL (MARKED) / [01] REMOVED 1 FWD HINGE P/N:149A7234-1 PER AMM#52-48-42-000-801 STEPS 2.C.(1)-(4);[02] REMOVED 2ND HINGE P/N:149A7234-5 PER AMM#52-48-42-000-801 STEPS 2.C.(1)-(4);[03] INSTALLED FWD 2 HINGE FITTINGS COMON TO FAIRING PANEL 192CL PER AMM#52-48-42-400-801 AND BOEING DRAWING#149A7231 USING TOOLING TORQUE WRENCH ID:ATS2328 S/N:0219095273 DUE:08/2023 AND MULTIMETER ID:ATS2395 S/N:47920120 DUE:02/2023;[04] UPDATED PARTS INSTALLATION;[05] VERIFIED CORRECTIVE ACTION ITEMS AND MEASUREMENT FIELDS; CARD COMPLETE.

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