SDR SCNA20201007066

Service difficulty report · Floor Support · Boeing 7378Q8

Difficulty date: September 4, 2020
Submitted: October 7, 2020
Operation: Air carrier
Aircraft: N801SY
Make and model: Boeing 7378Q8
Aircraft serial: 30332
Aircraft time: 63,730 hours, 24,799 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 772
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 FLOOR SUPPORT STATION 772 2" LEFT OF CENTERLINE HAS CORROSION NEAR BOLT HOLES, MARKED. CORROSION ON AFT CARGO BAY FLOOR SUPPORT FOUND TO BE OUT OF LIMITS, IAW SRM 53-00-53-1A-1 FIG 103 DETAIL D. CORROSION FOUND AROUND FASTER HOLES. REMOVED FLOOR SUPPORT, IAW SRM 51-40-02-0G-0. INSTALLED NEW FLOOR SUPPORT, IAW SRM 51-40-02-0G-0 AND BOEING DWG 146A7500 REV C.

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