SDR SWAA2022053106496

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
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shield
Condition: Corroded
Location: Aft 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 FWD SHIELD AT AFT CARGO BAY BS767 - BS787 RBL22. / [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 ACB FWD SHIELD<BR>ITEM# : 146A8127U12ATSMRO<BR>PO# : 863268/1;[04] LOCATED; DRILLED; AND COUNTERSANK NEW ACB FWD SHIELD IAW SRM 51-40-05-0G-0; SRM 51-40-08-0G-0; AND DWG 146A8127 ID:0008 REV:-;[05] UPDATED MEASUREMENTS;[06] VERIFIED CORRECTIVE ACTIONS 4 AND 5.

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