Service difficulty report · Shield · Boeing 73776N

Difficulty date
May 10, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N7733B
Make and model
Boeing 73776N
Aircraft serial
32678
Aircraft time
50,055 hours, 25,216 cycles
Part
Shield
Condition
Corroded
Location
Fwd Cargo Bay
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 FCB DOOR CUTOUT FWD SHIELD FROM STA 420+16 TO STA 420+18; RBL 23 TO RBL 25; WL 156. / [01] NO ALLOWABLE DAMAGE LIMITS IN SRM REPAIR BY REPLACEMENT IAW SRM 51-10-02-0G-0;[02] VERIFIED CORRECTIVE ACTION 1.;[03] RECEIVED NEW FCB DOOR CUTOUT FWD SHIELD <BR>ITEM# : 143A8126U21ATSMRO<BR>PO# : 855387/1;[04] LOCATED; AND DRILLED NEW FCB DOOR CUTOUT FWD SHIELD IAW SRM 51-40-05-0G-0 AND DWG 143A8127 ID:0011 REV:A;[05] UPDATED MEASUREMENTS;[06] VERIFIED CORRECTIVE ACTIONS 4 AND 5..

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