Service difficulty report · Web · Boeing 7377H4

Difficulty date
May 22, 2021
Submitted
June 28, 2021
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
52,378 hours, 31,227 cycles
Part
Web
Condition
Corroded
Location
Cargo Threshold
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

AFT CARGO BAY THRESHOLD WEB BS827+1 RBL26 WL164 HAS CORROSION ; / [01] VERIFIED APPLICABILITY ON SRM 53-60-15-OI-1 FOR IDENTIFICATION AND SRM 53-60-15-1A-1 FOR ALLOWABLE DAMAGE; [02] REMOVED CORROSION FROM ACB THRESHOLD WEB BS827+1' RBL 26 WL164 IAW SRM 51-10-02-OG-0; MAXIMUM BLENDED AREA EXCEEDS 50% OF ORIGINAL THICKNESS(0.045') FOUND TO BE OUT OF LIMIT IAW SRM 53-60-15-1A-1; PAR. 4.G.2; FIG. 103; [03] VERIFIED APPLICABILITY ON SRM 53-60-15-OI-1 FOR IDENTIFICATION AND SRM 53-60-15-1A-1 FOR ALLOWABLE DAMAGE.<BR>VERIFIED REMOVED CORROSION FROM ACB THRESHOLD WEB BS827+1' RBL 26 WL164 IAW SRM 51-10-02-OG-0; MAXIMUM BLENDED AREA EXCEEDS 50% OF ORIGINAL THICKNESS(0.045') FOUND TO BE OUT OF LIMIT IAW SRM 53-60-15-1A-1; PAR. 4.G.2; FIG. 103.; [04] REMOVED ACB THRESHOLD WEB BS794-BS847 WL 164;RBL26; IAW SRM 51-40-02-OG-0; [05] ACB THRESHOLD WEB BS794-BS847; RBL26; WL164; WILL BE ACCOMPLISHED ON CC TTG8Q005562L; [06] VERIFIED ACB THRESHOLD WEB BS794-BS847; RBL26; WL164; WILL BE ACCOMPLISHED ON TTG8Q005562L.

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