Service difficulty report · Angle · Boeing 7378H4

Difficulty date
November 9, 2024
Submitted
November 18, 2024
Operation
Air carrier
Aircraft
N8520Q
Make and model
Boeing 7378H4
Aircraft serial
42532
Aircraft time
26,025 hours, 12,954 cycles
Part
Angle
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

LEFT AIR CONDITIONING COMPARTMENT UPPER INBD L ANGLE AT STA 663 POSSIBLE CRACK PHOTO ATTACHED<[01] ACCOMPLISHED HFEC SURFACE INSPECTION PER NDT PART 6 51-00-00 PROC. 23 OF SUSPECT AREA VERIFIED ANGLE IS CRACKED.;[02] CRACK LENGTH IS .200';[03] CRACK LOCATED IN ANGLE AT STA. 663; LBL 9; EMITTING FROM FASTENER HOLE IN VERTICAL LEG. CRACK LENGTH .200'. CRACK VERIFIED BY NDT IN CORRECTIVE ACTION #1.[09] FABRICATED REPAIR ANGLE AND SPLICE PARTS AND LOCATED HOLES COMMON TO REPAIR ANGLE PER SRM 57-10-10-2R-5.<BR>ALODINE AND PRIME REPAIR PARTS PER SRM 51-20-01; SOPM 20-41-02;[10] REPAIR PARTS FABRICATED FROM .071 2024 T3.;[11] 9;10 INSPECTED WORK ABOVE OK TO INSTALL;[12] INSTALLED FASTENERS COMMON TO FUEL TANK PER SRM 57-10-10-2R-5.;[18] REPAIRED PER SRM 57-10-10-2R-5.;[19] RII INSPECTION PORTION COMPLIED WITH. SEE C/A?S AND STEPS FOR ALL WORK PERFORMED. REPAIRED PER SRM 57-10-10-2R-5.

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