Service difficulty report · Mount · Boeing 737990ER

Difficulty date
November 26, 2024
Submitted
December 13, 2024
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
41,254 hours, 12,967 cycles
Part
Mount
Part number
147A5660U33
Condition
Corroded
Location
Zone 200
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 L/H GALLEY AREA AT INBD MOUNT STA 947 FLOOR STRUCTURE HAS CORROSION. GROUNDED - YES. REMOVED CORROSION IAW B737-900ER SRM 51-10-02. UPON INVESTIGATION FOUND TO BE 100% MAT LOSS. OUT OF LIMITS. REMOVED FLOOR SUPPORT IAW B737-900ER SRM 51-40-02. LOCATED & DRILLED NEW PART IAW B737-900ER SRM 51-40-05. INSTALLED NEW PART IAW B737-900ER SRM51-40-02.REF B737-900ER AIPC 53-42-51-25BP/N 147A5660U3P/O 1107882.5.