SDR SWAA2020030442068

Service difficulty report · Shield · Boeing 7377K9

Difficulty date: February 10, 2020
Submitted: March 4, 2020
Operation: Air carrier
Aircraft: N7879A
Make and model: Boeing 7377K9
Aircraft serial: 34321
Aircraft time: 44,713 hours, 21,719 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Shield
Part number: 143A812619
Condition: Corroded
Location: Fuselage
Stage of operation: IN
How discovered: V
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*** FORWARD CARGO BAY AFT SHIELD HAD CORROSION ON FASTENER HOLES FROM STA 490-500A, RBL 24, WL 157 CORROSION ON FORWARD CARGO BAY AFT SHIELD, STA 490-500A, RBL 24, WL 157, FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0. REMOVED SHIELD PER SRM 51-40-02-0G-0. LOCATED, DRILLED, AND INSTALLED NEW SHIELD, P/N 143A8126-19, AND BOEING DWG 143A8126 ID: 0010, REV A, & BAC 5004-1 PG 40-41 59718U 2/28/20

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