Service difficulty report · Shear Web · Boeing 7377Q8

Difficulty date
March 14, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N7877H
Make and model
Boeing 7377Q8
Aircraft serial
29359
Aircraft time
50,381 hours, 27,028 cycles
Part
Shear Web
Condition
Corroded
Location
Fuselage
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 SHEAR WEB AT B.S. 1016+6 - 1016+14; L.B.L. 12 - L.B.L. 19; W.L. 208.1. / [01] NOT ALLOWABLE DAMAGE FOUND ON SRM FOR THIS PART;REPAIRABLE BY REPLACEMENT SHEAR WEB. IAW. SRM 51-10-02-0G-0; PARAGRAPH 9.;[02] VERIFIED CORRECTIVE ACTION #1;[03] REMOVED SHEAR WEB AT BS 1016; LBL 19; WL 208.1. IAW. SRM 51-40-02-0G-0.;[04] LOCATED AND DRILLED SHEAR WEB AT BS 1016 BL 0 TO LBL 50 WL 208 PER SRM 51-40-02 AND DWG 147A5600 OK TO INSTALL SHEAR WEB;[05] VERIFIED DRILL UP OF WEB PER SRM 51-40-02 AND DWG 147A5600; OK TO INSTALL.;[06] INSTALLED SHEAR WEB AT BS 1016; LBL 19; WL 208.1. IAW. SRM 51-40-02-0G-0 AND DWG 147A5600;[07] ADDED ENTRY 6 : DWG REV H;[08] VERIFIED CORRECTIVE ACTION STEPS 6 AND 7.;[09] COMPLETE.

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