SDR SWAA2020032442789

Service difficulty report · Support · Boeing 7377AD

Difficulty date: February 26, 2020
Submitted: March 24, 2020
Operation: Air carrier
Aircraft: N798SW
Make and model: Boeing 7377AD
Aircraft serial: 28436
Aircraft time: 69,451 hours, 41,534 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Part number: 143A7501
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*** ON FORWARD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT B .S. 400-500D, L.B.L. 22, W.L. 155 REMOVED AND REPLACED IN F.C.B FLOOR TO SIDEWALL SUPPORT AT BS 440-500D L.B.L 22, W.L 155 IAW SRM 51-40-02 PARA. 4-B AND DWG 143A7501 REV: B 59899U, 6 MARCH 20. AND SPLICE SIDEPLATE INSTALLED BTW BS 480+10 - 500D IAW SRM 53-00-53-2R-6, REPAIR 6.

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