Service difficulty report · Hmu · Boeing 7378H4

Difficulty date
May 5, 2022
Submitted
May 9, 2022
Operation
Air carrier
Aircraft
N8605E
Make and model
Boeing 7378H4
Aircraft serial
36891
Aircraft time
31,938 hours, 14,348 cycles
Engine
Cfmint CFM567B27E
Part
Hmu
Part number
442653
Part serial
BECW0506
Condition
Failed
Location
#2 Engine
Stage of operation
TO
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

#2 ENGINE FAILED TO DEVELOP T/O THRUST. REQUIRED THRUST WAS 96.5% N1. #2 DEVELOPED 84% AND WOULD NOT INCREASE WITTH MANUAL THROTTLE INPUT. / [01] REMOVED AND REPLACED NO.2 ENGINE FUEL PUMP AND HMU PER TASK CARD 773-11-00; TTG8Q00V9XJB. ACCOMPLISHED POWER ASSURANCE TEST 5 IAW AMM 71-00-00. POWER ASSURANCE TEST PASSED.;[02] 1. RICHARD MALSCH (TECHNICIAN); 05-MAY-2022 23:47 UTC<BR>REMOVED AND REPLACED NO.2 ENGINE FUEL PUMP AND HMU PER TASK CARD 773-11-00; TTG8Q00V9XJB. ACCOMPLISHED POWER ASSURANCE TEST 5 IAW AMM 71-00-00. POWER ASSURANCE TEST PASSED.<BR>C/W RII INSPECTION AND INSPECTION.

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