SDR SWAA2021112227911

Service difficulty report · Shield · Boeing 737*

Difficulty date: October 7, 2021
Submitted: November 22, 2021
Operation: Air carrier
Aircraft: N450WN
Make and model: Boeing 737*
Aircraft serial: 32470
Aircraft time: 58,641 hours, 34,716 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
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 SHIELD AT AFT CARGO BAY BS847 - BS867 RBL21 WL164. ; / [01] CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.; [02] VERIFIED CORRECTIVE ACTION STEP 1.; [03] LOCATED AND DRILLED NEW ACB AFT SHIELD BS847-BS867; RBL21; WL164. PER DWG 146A0081; AND SRM 51-40-05-0G-0.; [04] VERIFIED LOCATED AND DRILLED NEW ACB AFT SHIELD BS847-BS867; RBL21; WL164. PER DWG 146A0081; AND SRM 51-40-05-0G-0.