Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 28, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Web
Condition
Corroded
Location
Bs 794-800
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 VERTICAL THRESHOLD WEB AT BS 794-BS 800 RBL 21 WL 156-WL 152 IS CORRODED ; / [01] REMOVED CORROSION ON AFT CARGO VERTICAL THRESHOLD WEB PER REF SRM 53-60-15-1A-1.MATERIAL LOST IS MORE THAN 10% .THEREFORE; FOUND TO BE OUT OF LIMIT .[03] VERIFIED OUT OF LIMITS PER SRM 53-60-15-1A-1; [04] REMOVED AFT CRAGO BAY VERTICAL THRESHOLD WEB FROM BS 794 TO BS 847 RBL 21 WL 156-152 IAW SRM 51-40-02-0G-0; [05] LOCATED AND DRILLED NEW AFT CARGO BAY VERTICAL THRESHOLD WEB PER REF SRM 51-40-05 AND DWG NBR 146A8120 REV - OK TO INSTALL NEW VERTICAL WEB.; [06] LOCATED AND DRILLED NEW AFT CARGO BAY VERTICAL THRESHOLD WEB PER REF SRM 51-40-05 AND DWG NBR 146A8120

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