SDR SCNA20201116278

Service difficulty report · Floor Support · Boeing 7378Q8

Difficulty date: October 22, 2020
Submitted: November 17, 2020
Operation: Air carrier
Aircraft: N813SY
Make and model: Boeing 7378Q8
Aircraft serial: 28237
Aircraft time: 60,154 hours, 22,792 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Aft Cargo
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 INTERCOSTAL IN AFT CARGO BAY STA 847-855, RBL 20, WL 160. CORROSION ON INTERCOSTAL IN AFT CARGO BAY BS 847-855-RBL 20 WL 160 FOUND TO BE OUT OF LIMITS, PER SRM 53-60-15-1A-1. FABRICATED REPLACEMENT INTERCOSTAL, PER BOEING PL 146A8123 & BOEING DRAWING 146A8120. REMOVED & INSTALLED REPLACEMENT INTERCOSTAL, PER SRM 51-40-05, AMM 51-21-41, SRM 51-40-02, BOEING DRAWING 146A8123.

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