Service difficulty report · Transition Panel · Boeing 737990

Difficulty date
February 23, 2016
Submitted
March 8, 2016
Operation
Air carrier
Aircraft
N319AS
Make and model
Boeing 737990
Aircraft serial
33679
Aircraft time
46,130 hours, 17,707 cycles
Part
Transition Panel
Part number
143A7501
Condition
Corroded
Location
Bs 500g-500a
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

FWD PIT RT TRANSITION PANEL FROM BS 500A TO 500G+4 CORRODED SEVERAL PLACES. ACFT GROUNDED. REMOVED CORROSION ON FWD PIT RT TRANSITION PANEL FROM BS 500A TO 522G+4 IAW SRM 51-10-02, ORIGINAL THICKNESS IS .40 IAW SRM 53-30-53. REMOVED .010 REMAINING THICKNESS IS .030 FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. R & R TRANSITION ANGLE FROM BS 500A TO 500G+4 IAW SRM 53-00-53-2R-6 ALODINED IAW SRM 51-20-01 AND PRIMED IAW SOPM 20-41-02. REMOVED DOT AND OR STREAMER .