SDR SWAA2020031342431

Service difficulty report · Support · Boeing 7377BD

Difficulty date: February 27, 2020
Submitted: March 13, 2020
Operation: Air carrier
Aircraft: N7702A
Make and model: Boeing 7377BD
Aircraft serial: 33917
Aircraft time: 53,747 hours, 28,462 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support
Part number: 146A7500
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

AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE BS 727 TO BS847 LBL23 WL156 HAS CORROSION AROUND NUT PLATE HOLES EVALUATED CORROSION ON L/H FLOOR TO SIDEWALL SUPPORT, BS727-847, REMOVED .020" FROM ORIG. .040", FOUND TO BE OUT OF LIMITS IN IAW SRM 53-00-53-1A-2. REMOVED AND REPLACED, NEW L/H ACB FLOOR TO SIDEWALL SUPPORT, IAW SRM 51-40-02-0G-0, DWG 146A7500.

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