Service difficulty report · Angle · Boeing 7377H4

Difficulty date
November 30, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
Angle
Condition
Cracked
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

BS 663 VAPOR BARRIER UPPER ATTACH ANGLE IS CRACKED AT RBL 8, WL 160. EVALUATED CRACKED ATTACH ANGLE & FOUND TO BE OUT OF LIMITS. CRACK LENGTH 1.2'' IAW SRM 57-10-10-1A-2. ACCOMPLISHED CUT OUT OF ATTACH ANGLE IAW SRM 57-10-10-2R-5 REPAIR 5 PART 4B. HFEC INSPECTED ALL OPEN HOLES IN REPAIR AREA AND TRIMMED EDGE OF DAMAGE CUTOUT PER NDT PART 6 51-00-00 PROCEDURES 16 AND 23. NO CRACKS FOUND. LOCATED AND DRILLED REPAIR ANGLE SECTION AND REPAIR SPLICE IAW SRM 57-10-10-2R-5. INSTALLED REPAIR PARTS IAW SRM 57-10-10-2R-5. PPLIED ELECTRICAL BONDING CHECK AT REPAIR AREA IAW SRM 57-10-10-2R-5. APPLIED FILLET SEAL AT REPAIR AREA IAW 57-10-10-2R-5.

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