Service difficulty report · Channel · Boeing 737990ER

Difficulty date
May 10, 2018
Submitted
May 30, 2018
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737990ER
Aircraft serial
41731
Aircraft time
21,831 hours, 7,088 cycles
Part
Channel
Part number
143A7501192
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

FWD CARGO COMPARTMENT FLOOR RT ZEE CHANNEL UPPER SURFACE CORROSION STA 500C+14 TO 500L NUMEROUS AREAS MARKED. GROUNDED - YES. REMOVED CORROSION FROM STA 500I TO 500L. ORIG THICKNESS .040, REMOVED .010, REMAINING .030. FOUND TO BE OUT OF LIMITS IAW SRM 51-40-02. FABRICATED REPAIR PARTS IAW SRM 53-00-53-2R-5. ALODINED PARTS IAW AMM 51-21-41. PRIMED PARTS IAW AMM 51-21-72. INSTALLED REPAIR PARTS AD SUBSTRUCTURE IAW SRM 53-00-53-2R-5 AND 51-40-02.