Service difficulty report · Shield · Boeing 73779P

Difficulty date
November 9, 2021
Submitted
December 1, 2021
Operation
Air carrier
Aircraft
N7862A
Make and model
Boeing 73779P
Aircraft serial
33009
Aircraft time
48,858 hours, 32,792 cycles
Part
Shield
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 AFT CARGO BAY DOOR CUTOUT AFT SHIELD AT WL 162; RBL 22; STA 847+12; STA 847+15; STA 847+18 AND RBL 21 WL 162 STA 847+10 ; / [01] EVALUATED CORROSION; FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0; [02] VERIFIED OUT OF LIMITS; [03] LOCATED AND DRILLED ACB AFT SHIELD AT BS847 - BS867 RBL 22 WL162 PER SRM 51-40-05-0G-0 AND DWG 146A0081; [04] ADDED PART; [05] VERIFIED LOCATED AND DRILLED ACB AFT SHIELD AT BS847 - BS867 RBL 22 WL162 PER SRM 51-40-05-0G-0 AND DWG 146A0081

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