Service difficulty report · Hmu · Boeing 737890

Difficulty date
February 27, 2013
Submitted
March 18, 2013
Operation
Air carrier
Aircraft
N512AS
Make and model
Boeing 737890
Aircraft serial
39043
Aircraft time
17,405 hours, 5,453 cycles
Engine
Cfmint CFM567B27
Part
Hmu
Part number
442369
Part serial
BECW3438
Condition
Leaking
Location
Nr 2 Engine
Part time
14,408 hours, 5,172 cycles
Stage of operation
TX
How discovered
V
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FUEL LEAK UNDER NR 2 ENGINE. ACFT GROUNDED. RAN ENGINE FOR 5 MINUTES VERIFIED LEAK WITHIN LIMITS AT 11 DROPS IAW MIN AMM 71-71-00, WHILE RUNNING LEAK WAS FROM HMU PAD DRAIN, LEAK WITHIN THRESHOLD LIMITS IAW AMM 71-7100, STEP E4A1. NR 2 ENG HMU R & R IAW AMM 73-21-10-41. LEAK & OPS CHECK COMPLETED.