Service difficulty report · Shield · Boeing 7378H4

Difficulty date
March 2, 2022
Submitted
March 29, 2022
Operation
Air carrier
Aircraft
N8680C
Make and model
Boeing 7378H4
Aircraft serial
36737
Aircraft time
20,604 hours, 9,512 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

A22-20; AFT PIT STA 767-787; RBL22; WL157; SIDE SHIELD HAS CORROSION ON UPPER AND LOWER SURFACES; MRK'D. / [01] EVALUATED ALLOWABLE LIMITS : 100% MATERIAL LOSS FOUND OUT OF LIMITS IAW SRM 53-60-15-1A-1;[02] VERIFIED ITEM 1;[03] REMOVED DAMAGE SIDE SHIELD IAW SRM 51-40-02-0G-0;[04] VERIFIED STEP 3 IS COMPLETE;[05] VERIFIED ITEM 3 AND 4;[06] VERIFIED NEW SIDE SHIELD P/N 146A8127-12 TAG # WN11956 IAW DWG 146A0081 REV:A;[07] OUT OF SEQUENCE: EVALUATED ALLOWABLE LIMITS : 100% MATERIAL LOSS FOUND OUT OF LIMITS IAW SRM 51-60-15-1A-1;[08] VERIFIED ITEMS 6 AND 7;[09] LOCATED AND DRILL HOLES ON NEW SIDE SHIELD IAW SRM 51-40-05-0G-0;[10] VERIFIED ITEM 9<BR>OK TO INSTALL;[11] INSTALLED NEW SHIELD IAW SRM 51-40-02-0G-0 AND DWG 146A0081 REV:A;[12] VERIFIED STEP 11 AND OK TO CIC;[13] APPLIED CIC ON NEW SHIELD IAW AMM 51-21-91-620-802;[14] VERIFIED STEP 13;[15] JOB COMPLETED; AUDIT C/W

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