Service difficulty report · Support Angle · Boeing 7378H4

Difficulty date
September 14, 2022
Submitted
October 6, 2022
Operation
Air carrier
Aircraft
N8651A
Make and model
Boeing 7378H4
Aircraft serial
36920
Aircraft time
27,317 hours, 12,717 cycles
Part
Support Angle
Condition
Corroded
Location
Fwd Service Door
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 FSD MOPSILL SUPPORT ANGLEBS294+10-BS 312+7 RBL 55 WL 209 / [01] VERIFIED SRM 53-10-15-1A-2 IS APPLICABLE. REMOVED CORROSION ON FSD MOPSILL SUPPORT ANGLE BS294+10-BS 312+7 RBL 55 WL 209 PER SRM 51-10-02. ORIGINAL THICKNESS IS .090'. MAXIMUM MATERIAL REMOVED WAS 4'X1'X .015'. FOUND TO BE OUT OF LIMITS PER SRM 53-10-15-1A-2. DIAL DEPTH GAUGE ID:ATS2473 S/N:UNKNOWN DATE:08/2022 DUE:08/2023.;[02] VERIFIED CORRECTIVE ACTION 1.;[03] REMOVED FSD MOPSILL SUPPORT ANGLE PER SRM 51-40-02.;[04] LOCATED AND DRILLED NEW FSD MOPSILL SUPPORT ANGLE BS294+10-BS 312+7; RBL 55; WL 209 PER SRM 51-40-05-0G-0 AND BOEING DWG 141A8312. OK TO INSTALL.;[05] VERIFIED CORRECTIVE ACTION #4 AND MEASUREMENT TABLE;[06] INSTALLED FSD MOPSILL SUPPORT ANGLE BS 294+10-BS 312+7; RBL 55; WL 209 PER SRM 51-40-02-0G-0;[07] INSTALLED FSD MOPSILL SUPPORT ANGLE BS 294+10-BS 312+7; RBL 55; WL 209 PER SRM 51-40-02-0G-0 AND BOEING DWG 141A8312;[08] VERIFIED ACTION #7;[09] INSTALLED FSD MOPSILL SUPPORT ANGLE BS 294+10-BS 312+7; RBL 55; WL 209 PER SRM 51-40-02-0G-0 AND BOEING DWG 141A8310

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