SDR SCNA20201116272

Service difficulty report · Web · 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: Web
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 WEB BS 847-856 RBL 25 WL 160. CORROSION ON AFT CARGO LOWER MAIN SILL WEB BS 847-856 RBL 25 WL 160 FOUND TO BE OUT OF LIMITS, PER SRM 53-60-15-1A-1 FIG 103 DETAIL D. FABRICATED REPLACEMENT INTERCOSTAL, PER SRM 51-30-01 BOEING DRAWING 146A8322 AND AMM 51-21-41. REMOVED DAMAGED INTERCOSTAL AND INSTALLED REPLACEMENT, PER SRM 51-40-02, SRM 51-40-05 AND BOEING DRAWING 146A8200.

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