SDR SCNA20201008106

Service difficulty report · Web · Boeing 7378Q8

Difficulty date: September 17, 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: Web
Condition: Corroded
Location: Bs 947-992
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

LOWER MAIN SILL WEB STA 947 TO 992 WL 208 RT HAS MULTIPLE AREAS OF CORROSION. LOWER MAIN SILL WEB STA 947 TO 992 WL 208 RT FOUND TO BE OUT OF LIMITS, IAW SRM 53-70-15-1A-1 FIG 103 DETAIL (D). REMOVED SILL WEB, IAW SRM 51-40-02-0G-0. INSTALLED NEW WEB P/O 801504/2, IAW SRM 51-40-02-0G-0 AND BOEING DWG 147A8501 REV B. REINSTALLED LOWER CORNER REVEALS.

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