SDR SWAA2021011536521

Service difficulty report · Door Sill · Boeing 7377BD

Difficulty date: December 14, 2020
Submitted: January 15, 2021
Operation: Air carrier
Aircraft: N7715E
Make and model: Boeing 7377BD
Aircraft serial: 33921
Aircraft time: 51,070 hours, 26,608 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Condition: Corroded
Location: Fwd Cargo
Stage of operation: IN
How discovered: V
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

FWD CARGO COMPT DOOR CUT OUT LOWER SILL WITH SURFACE CORROSION, MARKED STA 492-440, WL 156.5, STR 26R. FOUND CORROSION TO BE OUT-OF-LIMITS ON FWD COMPARTMENT. DOOR CUT-OUT WEB, IAW B737-700 53-30-15-1A-1. REMOVED WEB, IAW B737-700 SRM 51-40-02-0G-0. INSTALLED NEW WEB, IAW B737-700 DWG NR 143A8120 AND B737-700 SRM 51-40-02-0G-0.

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