Service difficulty report · Angle · Boeing 7377H4

Difficulty date
January 10, 2022
Submitted
January 12, 2022
Operation
Air carrier
Aircraft
N483WN
Make and model
Boeing 7377H4
Aircraft serial
32472
Aircraft time
58,938 hours, 34,840 cycles
Part
Angle
Condition
Cracked
Location
Center Wing Box
Stage of operation
UK
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

CRACK NOTED AT BS 663, LBL 09 BULKHEAD ATTACH ANGLE. REMOVED FASTENERS IN REPAIR AREA IAW SRM 51-40-02-0G-0. CUT AND REMOVED DAMAGED ATTACH ANGLE IAW SRM 57-10-10-2R-5 REPAIR 5. PERFORMED DVI OF REPAIR AREA AND UNDERLYING STRUCTURE. NO DEFECTS. COMPLETED NDT INSP FOR DAMAGE ON EDGES OF DAMAGE CUTOUT ON ANGLE IAW NDT M/M PART 6; 51-00-00; P-23, NO DEFECTS. COMPLETED NDT INSP FOR DAMAGE IN ALL CURRENTLY OPENED FASTENER HOLES COMMON TO REPAIR AREA IAW NDT M/M PART 6; 51-00-00; P-16, NO DEFECTS. FABRICATED REPAIR IAW SDR 57-10-10-2R-5 REPAIR 5. TREATED & PRIMED REPAIR AND CUT EDGES. INSTALLED REPAIR IAW SRM 57-10-10-2R-5, REPAIR 5.

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