Service difficulty report · Drain Mast · Boeing 737890

Difficulty date
February 4, 2010
Submitted
February 9, 2010
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
12,929 hours, 3,837 cycles
Part
Drain Mast
Part number
M0DREF291950
Condition
Cracked
Location
Apu
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

APU FUEL FEED LINE SHROUD DRAIN MAST BEHIND LT WHEEL WELL HAS CRACKS ON BOTH SIDE OF AFT UPPER SIDE OF DRAIN MAST. REMOVED AND REPLACED DRAIN MAST PER MM 28 25 07 020 801 & MM 28 25 07 020 802.