SDR SCNA20201201385

Service difficulty report · Threshold · Boeing 7378K2

Difficulty date: November 9, 2020
Submitted: December 1, 2020
Operation: Air carrier
Aircraft: N817SY
Make and model: Boeing 7378K2
Aircraft serial: 30392
Aircraft time: 65,543 hours, 25,167 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Threshold
Condition: Corroded
Location: Fwd Cargo Door
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 FWD CARGO BAY SUB THRESHOLD HAS CORROSION AT STA 460+4", RBL 28, WL 156. FWD CARGO BAY SUB THRESHOLD AT BS 460+4 RBL 28 FOUND TO BE OUT OF LIMITS, IAW B737-800 SRM 53-30-15-1A-1 FIG 103 DETAIL D. REMOVED AND REPLACED SILL WEB, IAW B737-800 SRM 51-40-02-0G-0 AND BOEING DRAWING NR 143A8122 REV.

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