SDR SCNA20201008099

Service difficulty report · Intercostal · Boeing 7378Q8

Difficulty date: September 16, 2020
Submitted: October 8, 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: Intercostal
Condition: Corroded
Location: Bs 500h-500i
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

FORWARD CARGO BAY CORROSION ON INTERCOSTAL UNDER LEFT HAND CARGO FLOOR Z CHANNEL STA 500H-500I NEAR SCREW HOLES, MARKED. FOUND CORROSION ON FWD CARGO BAY INTERCOSTAL UNDER LT CARGO FLOOR Z CHANNEL BS 500H-500I TO BE OUT OF LIMITS, IAW SRM 53-00-53-1A-2 PARA 4 C FIG 103 DETAIL E. REMOVED INTERCOSTAL, LOCATED, DRILLED AND INSTALLED NEW INTERCOSTAL, IAW SRM 51-40-02-0G-0 SRM 51-40-05-0G-0 AND DWG 143A7505 81142U.

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