SDR SCNA20201014153

Service difficulty report · Floor Support · Boeing 7378Q8

Difficulty date: October 6, 2020
Submitted: October 14, 2020
Operation: Air carrier
Aircraft: N809SY
Make and model: Boeing 7378Q8
Aircraft serial: 30683
Aircraft time: 50,182 hours, 19,630 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Bs 312
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 FWD CABIN FLOOR STRUCTURE INTERCOSTAL STA 312+9, LBL 44, WL 207. CORROSION FOUND ON CABIN INTERCOSTAL STA 312-328 LBL 44 WL 207 FOUND TO BE OUT OF LIMITS, DUE TO DAMAGE AROUND FASTENER HOLE, IAW SRM 53-10-51-1A-1. REMOVED AND REPLACED WITH NEW INTERCOSTAL PO NR 804655, IAW SRM 51-40-02-0G-0, 51-40-05-0G-0 AND DWG 141A5400 SHEET 26 REV- 57901U.

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