SDR SCNA20201116273

Service difficulty report · Web · Boeing 7378Q8

Difficulty date: October 28, 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: Cabin
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 R1 SERVICE DOOR LOWER MAIN SILL WEB BS 294 RBL 55 WL 207. R1 SERVICE DOOR LOWER MAIN SILL WEB FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM 53-10-15-1A-2. REMOVED AND REPLACED MAIN SILL WEB, IAW SUN COUNTRY AIRLINES EA 53-0060 AND ATS ER 20-03432 REV IR.

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