SDR SCNA20201116271

Service difficulty report · Strap · 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: Strap
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 AFT CARGO COMPARTMENT LOWER MAIN SILL STRAP BELOW WEB BS 840- 856 RBL 25 WL 164. CORROSION ON AFT CARGO COMPARTMENT LOWER MAIN SILL STRAP STA 940-856, RBL 25, WL 164 IS FOUND TO BE OUT OF LIMITS DUE TO DAMAGE AT FASTENER LOCATION, IAW SRM 53-60-15-1A-1 FIG 101. REMOVED AND REPLACED LOWER MAIN SILL STRAP, IAW SRM 51-40-02-0G-0 AND DWG 146A0081.

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