Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
September 7, 2016
Submitted
September 19, 2016
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
31,964 hours, 9,776 cycles
Part
Transition Panel
Part number
146A750252
Condition
Corroded
Location
Fuselage
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 COMPARTMENT RT TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM STA 727B TO 767. ACFT GROUNDED. REMOVED CORROSION FROM 727H+10 TO 767, ORIGINAL MATERIAL THICKNESS .040 IAW DWG 1496-377, REMOVED .001, REMAINING MATERIAL .039 IN LIMITS IAW SRM 53-00-53, ALODINED, PRIMED IAW SRM 51-20-01, TOP COATED IAW AMM 51-21-99, AND HASH MARKED IAW AMM 51-03-01, FROM STA 727B+10-STA 727H+10, FOUND OUT OF LIMITS, ORIGINAL MAT .040 IAW DWG 1496-377, REMOVED .007, REMAINING .033, PROCURRED NEW MATERIAL BAC 1496-377-7075-T62, DRILL, LOCATED PANEL AND SPLICES IAW SRM 53-00-53-2R-5, ALODINED , PRIMED AND TOPCOATED IAW SRM 51-20-01 AND AMM 51-21-99 AND INSTALLED NEW PANEL AND SPLICES IAW SRM 53-00-53-2R-5, REMOVED DOT AND INSTALLED IAW SRM 51-40-02.