SDR ASAA201806114978

Service difficulty report · Web · Boeing 737890

Difficulty date: May 31, 2018
Submitted: June 11, 2018
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 29,273 hours, 8,527 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 143A812210
Condition: Corroded
Location: Bs 440-492
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

CORROSION WAS FOUND ON THE FWD CARGO DOOR SURROUND SILL UPPER SURFACE, BS 470. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-30-15-1A-1. REMOVED THE WEB IAW SRM 51-40-02. FABRICATED A NEW WEB AND INSTALLED IAW DWGS 143A8122, SH 10, REV-, 143A8330, SH 40, REV A, SH 42, REV A, AND SRM 51-40-02.