SDR SCNA20201116254

Service difficulty report · Door Sill · 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: Door Sill
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

AFT CARGO DOOR LOWER SILL INBOARD STRAP AROUND FASTENER HOLES BS 807-887 RBL 20 WL 165. CORROSION ON AFT CARGO DOOR LOWER SILL INBOARD STRAP BS 807-887 RBL 20 WL 165 FOUND TO BE OUT OF LIMITS, PER SRM 53-60-15-1A-1 FIG 103 DETAIL D. REMOVED AND REPLACED STRAP, PER SRM 51-40-05, SRM 51-40-02 AND BOEING DRAWING 146A8120.

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