Service difficulty report · Web · Boeing 7378H4

Difficulty date
August 23, 2022
Submitted
September 15, 2022
Operation
Air carrier
Aircraft
N8649A
Make and model
Boeing 7378H4
Aircraft serial
42527
Aircraft time
27,113 hours, 12,631 cycles
Part
Web
Part number
146A812325
Condition
Corroded
Location
Aft Cargo
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 AFT CARGO BAY SUB THRESHOLD WEB BS807 RBL26 WL 156 / [01] EVALUATED CORROSION ON SUBTHRESHOLD WEB BS 807 RBL 26 WL 156; FOUND 0.015 REMOVED FROM ORIG 0.045 IN 1'X1' AREA FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1 USING DIAL DEPTH GAUGE ATS 2678 DUE 04/2023;[02] VERIFIED ACTION #1;[03] REMOVED ACB SUB THRESHOLD WEB AT BS787+5 - BS847; RBL26; WL156 PER SRM 51-40-02-0G-0;[04] LOCATED AND DRILLED NEW ACB SUB THRESHOLD WEB AT BS787+5 - BS847; RBL26; WL156 PER SRM 51-40-05-0G-0 AND DWG 146A8340. OK TO INSTALL;[05] VERIFIED CORRECTIVE ACTION #4<BR>VERIFIED MEASUREMENTS;[06] INSTALLED NEW ACB SUB THRESHOLD WEB AT BS787+5 - BS847; RBL26; WL156 PER SRM 51-40-02-0G-0 AND DWG 146A8340.;[07] VERIFIED CORRECTIVE ACTION #6

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