OpenAirDocs.org

SDR ASAA2025052158405

Open the Markdown

Service difficulty report · Web · Boeing 737990ER

FAA SDR system

Difficulty date
May 21, 2025
Submitted
June 4, 2025
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
32,610 hours, 10,184 cycles
System (JASC)
5320 · Fuselage Miscellaneous Structure
Part
Web
Part number
146A81236
Condition
Corroded
Location
Zone 100
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 ENTRY, ENTRY DOOR THRESHOLD HAS CORROSION 3" AND ACROSS DOOR OPENING. (MARKED IN RED). GROUNDED - YES. REMOVED CORROSION FROM AFT CARGO DOOR THRESHOLD WEB, ORIGINAL THICKNESS; .050 1 REMOVED; .019, REMAINING: .031 AND FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 53-60-15. REMOVED AFT CARGO DOOR THRESHOLD WEB IAW B737-900ER SRM 51-40-02. LOCATED AND DRILLED NEW WEB PN:146A8123-6, PO:0. INSTALLED NEW AFT CARGO DOOR THRESHOLD WEB IAW BOEING DWG:146A8340 REV:G & B737-900ER SRM 51-40-02.