Service difficulty report · Transition Panel · Boeing 737890

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
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 747+5 -STA 847 HAS CORROSION DOT N271. GROUNDED - YES. EVALUATED AFT PIT L/H TRANSITION PANEL 747+5 - STA 847. 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 747+5 -STA 847 USING BAC 1496-377, 7075-T62, PO:1014531.1 ALL 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 AND BOEING SOPM 20-41-02. TOOL#T8224C CAL DUE 02MAR23 DOT REMOVED.