SDR SWAA2021100116947

Service difficulty report · Shield · Boeing 7377BD

Difficulty date: September 11, 2021
Submitted: October 1, 2021
Operation: Air carrier
Aircraft: N7751A
Make and model: Boeing 7377BD
Aircraft serial: 36717
Aircraft time: 43,609 hours, 22,223 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shield
Part number: 143A812620
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 AFT SHIELD IN FWD CARGO BAY BS 500 - 500A, RBL 23, WL 156. REMOVED CORROSION ON AFT SHIELD FOUND OUT OF LIMITS IAW SRM 53-00-52-1A-2, ALLOWABLE DAMAGE 2, STEP 4 (2). LOCATED & DRILLED A NEW SHIELD IAW SRM 51-40-05-0G-0, AND DWG 143A0080. INSTALLED THE NEW SHIELD IAW SRM 51-40-02-0G-0, AND DWG 143A0080.

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