Service difficulty report · Web · Boeing 7377H4

Difficulty date
June 27, 2018
Submitted
February 15, 2022
Operation
Air carrier
Aircraft
N777QC
Make and model
Boeing 7377H4
Aircraft serial
30592
Aircraft time
63,466 hours, 37,367 cycles
Part
Web
Condition
Corroded
Location
Fwd Cargo Thresh
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

***CORROSION*** ON FWD CARGO BAY DOOR SURROUND SUB THRESHOLD; NUMEROUS AREAS; STA 440 TO 500;RBL 28 TO RBL 35; WL 158. / FWD CARGO BAY DOOR SURROUND SUB THRESHOLD WEB CORROSION WAS FOUND TO BE OUT OF LIMITS IAW SRM 53-30-15-1A-1; BLEND WAS 2' X 1' X .020'; ORIGINAL THICKNESS WAS .45' IAW SRM 53-30-15-1A-1. REMOVED AND REPLACED SUB THRESHOLD WEB IAW DRAWING 143A8330 & SRM 51-40-2

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