Service difficulty report · Hmu · Boeing 737790

Difficulty date
August 27, 2013
Submitted
August 30, 2013
Operation
Air carrier
Aircraft
N615AS
Make and model
Boeing 737790
Aircraft serial
30344
Aircraft time
46,831 hours, 20,953 cycles
Engine
Ge CFM567B24
Engine time
44,530 hours, 19,961 cycles
Part
Hmu
Part number
1853M56P12
Part serial
BECW5941
Condition
Malfunctioned
Location
Nr 2 Engine
Part time
18,670 hours, 7,465 cycles
Stage of operation
CL
How discovered
O
Nature of condition
Y, J
Precautionary procedure
A

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

What was found

CLIMBING THOUGH 17,000 FT, NR 2 ENGINE SURGED CONTINUALLY. RAN SURGE CHECKLIST, THROTTLE ALMOST CLOSE WHEN ENGINE STALLED, ENGINE THEN FAILED. COMPLETED CHECKLIST AND RETURNED DEPARTURE. ACFT GROUNDED. ACCOMPLISHED EA 700-72EA-10951. NR 2 ENGINE HMU REPLACED. REV B. ITEMS ACCOMPLISHED ON REV B ARE TO BE ATTACHED TO EA 700-72 EA-10951 REV C, ITEM 15, ON REV C WAS ACCOMPLISHED ON REV B, ITEMS 1-14 ON EA 700-72EA-10951, REV C COMPLETED ON REV B, EA 700-72EA-10951.