Service difficulty report · Channel · Boeing 737990ER

Difficulty date
March 11, 2021
Submitted
March 29, 2021
Operation
Air carrier
Aircraft
N478AS
Make and model
Boeing 737990ER
Aircraft serial
44105
Aircraft time
21,284 hours, 6,853 cycles
Part
Channel
Part number
146A7502
Condition
Corroded
Location
Bs 727-727i
Stage of operation
IN
How discovered
9
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 R/H TRANSITION PANEL HAS MULTIPLE AREAS OF CORROSION BETWEEN STA 727+4 TO STA 727I GROUNDED - YES. REPAIRED TRANSITION PANEL STA 727+4 TO STA 727I IAW B737-900ER SRM 53-00-53-2R-5 PARA 4. W=1" O=.040" R=.029" L=6" D=.011"