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SDR ASAA2022050338274

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Service difficulty report · Transition Panel · Boeing 737890

FAA SDR system

Difficulty date
May 3, 2022
Submitted
May 16, 2022
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
55,677 hours, 16,326 cycles
System (JASC)
5310 · Fuselage Main, Structure
Part
Transition Panel
Part number
146A7502
Part serial
NA
Condition
Corroded
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 PIT L/H TRANSITION PANEL STA 727+4 - STA 727E+10 HAS CORROSIONDOT N270. GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PANEL STA 727+4 - STA 727E-10.ORIGINAL THICKNESS .040",REMOVED .019", MATERIAL REMAINING .021"AND FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53-1A-2.REPAIRED TRANSITION PANEL STA 727+4 - STA 727E+10 USING BAC 1496-377, 7075-T62 PO: 1014531.1ALL WORK DONE IAW BAC DWG 1496-377, B737-800 SRM 53-00-53-1A-2, SRM 53-00-53-2R-5, SRM 51-40-02, BOEING SOPM 20-41-02TOOL #T8224C CAL DUE 02MAR23DOT REMOVED.