Service difficulty report · Drain Mast · Boeing 737890

Difficulty date
February 21, 2012
Submitted
February 23, 2012
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
20,788 hours, 6,340 cycles
Part
Drain Mast
Part number
346A28015
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 SHROUD AND HYD DRAIN MAST APPEARS TO BE CRACKED. VERIFIED DRAIN MAST CRACKS INNER AND OUTER SURFACES IAW BNDT MAN 51 00 00 PT. 6. REPLACED APU FUEL FEED LINE SHROUD DRAIN MAST PER AMM 28 25 07 420 801.