Service difficulty report · Hmu · Boeing 737890

Difficulty date
September 27, 2015
Submitted
October 1, 2015
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
21,462 hours, 6,480 cycles
Engine
Cfmint CFM567B27
Part
Hmu
Part number
1853M56P12
Part serial
BECW7557
Condition
Faulted
Location
Nr 2 Engine
Part time
21,498 hours, 6,494 cycles
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

NR 2 ENGINE FOUND SHORT TIME FAULT 73-10342, THE FMV POSITION SIGNAL IS OUT OF RANGE. ACFT GROUNDED. REMOVED NR 2 ENGINE HMU IAW T/C N8473000. INSTALLED NR 2 ENGINE HMU IAW T/C N8473001. ACCOMPLISHED TEST 3A, 12, & 13 AMM 71-00-00-00-800-F00.