SDR SCNA20201116261

Service difficulty report · Web · Boeing 7378Q8

Difficulty date: October 20, 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: Zone 100
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 WEB AT STA 990, STR 21L, WL 197. CORROSION FOUND ON WEB STA 990 STR 21L WL 197 3.5" L X 2.5" W X .006" D. FOUND TO BE OUT OF LIMITS, PER SRM 53-70-15-1A-1. REMOVED AND REPLACED, IAW SRM 51-40-02-0G-0, SRM 51-40-05-0G-0 AND DWG 147A8801 SHEET 32 REV A 57901U.

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