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
146A7502
Condition
Corroded
Location
Bs 747-847
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 TRANSITION PANEL AT LT BS 747+6 TO 847 CORRODED IN SEVERAL SPOTS. ACFT GROUNDED. REMOVED SECTION PANEL FROM BS 747+6 TO 847 IAW SRM 51-40-02. MATERIAL ID FOR FAB BAC 1496-377 7075T62 CLAD IAW SRM 53-00-53-2R-5, PO 860620.1 FABED NEW SECTION IAW SRM 53-00-52-21R-5 ALODINED AND PRIMER IAW SRM 51-20-01 INSTALLED IAW SRM 51-40-02 AND 53-00-52-2R-5, DOT H252 REMOVED .