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SDR ASAA2017050220683

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Service difficulty report · Door Sill · Boeing 737890

FAA SDR system

Difficulty date
May 2, 2017
Submitted
May 10, 2017
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
38,199 hours, 11,504 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Door Sill
Part number
146A81236
Condition
Corroded
Location
Fuselage
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

AFT CARGO DOOR CUTOUT, SILL CORRODED. GROUNDED - YES. BLEND OUT CORROSION ON SILL WEB IAW SRM 53-60-15 ORIGINAL MAT .045 IAW BAC DWG 146A8123 REV C, MAT REMOVED .005 AND .006, MATERIAL REMAINING .039 AND .040 FOUND TO BE OUT LIMITS IAW SRM 53-60-15. REMOVED AND REPLACED WITH NEW SILL WEB IAW BAC DWG 146A8123 REV C, REMOVED CENTER AND CORNERS SCUFFPLATE IAW SRM 51-40-02. CENTER AND FWD SCUFFPLATE REINSTALLED IAW AMM 53-11-02.