SDR SCNA20201116239

Service difficulty report · Web · Boeing 7378Q8

Difficulty date: November 1, 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 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 ON AFT CABIN FLOOR SHEAR WEB, STA 986.5 TO 986.5+6, RBL 33 TO RBL 44, WL 208 MULTIPLE AREA'S. AFT CABIN FLOOR SHEAR WEB BS 986.5-986.5+6 RBL 33-44 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM NO ALLOWABLE LIMITS. REMOVED AND REPLACED SHEAR WEB, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING NR 147A5700 REV.

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