SDR ASAA2019100923962

Service difficulty report · Web · Boeing 737790

Difficulty date: September 25, 2019
Submitted: October 9, 2019
Operation: Air carrier
Aircraft: N626AS
Make and model: Boeing 737790
Aircraft serial: 30793
Aircraft time: 58,580 hours, 27,798 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Web
Part number: 146A812325
Condition: Corroded
Location: Bs 794-847
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

AFT PIT DOOR CUR OUT LWR SILLWEB HAS AREA OF CORROSION. GROUNDED - YES. BLENDED CORROSION ON AFT CARGO DOOR CUT OUT LOWER SILLWEB, REMAINING MAT. FOUND OUT OF LIMITS IAW B737-700, SRM 53-60-15-1A-1, REMOVED & REPLACED SILLWEB IAW B737-700 SRM 51-40-02-0G-0, ITEM 5B. PAGE 3. W = 1.5O= 0.050"R = 0.043"L= 2D = 0.007".