Service difficulty report · Web · Boeing 7378H4

Difficulty date
November 16, 2019
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N8309C
Make and model
Boeing 7378H4
Aircraft serial
36985
Aircraft time
26,538 hours, 11,414 cycles
Part
Web
Condition
Corroded
Location
Aft 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

AFT CARGO DOOR CUTOUT; LOWER DOOR SILL WEB HAS CORROSION ON UPPER SURFACE. STA 794 TO 847; RBL 21 TO 27 / REMOVED CORROSION AT AFT CARGO DOOR CUT OUT LOWER SILL WEB IAW SRM 53-60-15-1A-1. ORIGINAL THICKNESS .045'; AFTER REQORK .033' .012' MATERIAL LOSS OUT OF LIMITS IAW SRM 53-60-15-1A-1 FIG 103. TOOL:36646 DUE:05 OCT 20. REWORKED OUT OF LIMITS AFT CARGO DOOR CUT OUT LOWER SILL WEB AND INSTALLED NEW SILL WEB ALL IAW SRM 51-40-02-0G-0 AND DWG: 146A8340 REV -. APPLIED CIC IAW AMM 51-21-91-620-802. A TG:HH1237.

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