Service difficulty report · Channel · Boeing 737890

Difficulty date
May 27, 2016
Submitted
June 9, 2016
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
32,343 hours, 9,912 cycles
Part
Channel
Part number
143A7501187
Condition
Corroded
Location
Bs 500h-500i
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 LT TRANSITION PANEL CORRODED AT BS 500I TO 500C. ACFT GROUNDED. REMOVED CORROSION AND FOUND WITHIN ALLOWABLE LIMITS BS 500C TO 500H IAW SRM 53-00-53-1A-2, ORIGINAL MATERIAL THICKNESS IS .040 IN, REMOVED .002 IN THICKNESS REMAINING IS .038 IN. REFINISHED AND MARKED REWORKED AREA IAW SRM 51-20-01, SOPM 20-41-02, AND AMM 51-05-01. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS BS 500H TO 500I IAW SRM 53-00-53-1A-2, ORIGINAL MATERIAL THICKNESSS IS .040, REMOVED .009 IN THICKNESS REMAINING IS .031 IN REPLACED LT TRANSITION ZEE CHANNEL SECTION APPROXIMATELY BS 500G-15 TO 500I IAW SRM 53-00-53-2R-5.