SDR SWAA2022012759862

Service difficulty report · Shield · Boeing 737

Difficulty date: January 7, 2022
Submitted: April 26, 2022
Operation: Air carrier
Aircraft: N7750A
Make and model: Boeing 737
Aircraft serial: 36716
Aircraft time: 44,331 hours, 22,434 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
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

SUPPLEMENTAL INFORMATION: CORROSION ON FWD SHIELD AT FWD CARGO BAY BS422; BS429; RBL23. MARKED. ; / [01] CORROSION ON SHIELD WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM.; [02] VERIFIED CORRECTIVE ACTION ITEM 1. VERIFIED NO LIMITS GIVEN IN SRM; [03] LOCATED AND DRILLED NEW SHIELD BS 420 - BS440 RBL23 PER SRM 51-40-05-0G-0 AND DWG 143A0080; [04] ADDED PART USE; [05] VERIFIED CORRECTIVE ACTION 3.