Service difficulty report · Hmu · Boeing 737824

Difficulty date
July 20, 2025
Submitted
July 22, 2025
Operation
Air carrier
Aircraft
N26226
Make and model
Boeing 737824
Aircraft serial
28935
Aircraft time
80,307 hours, 29,886 cycles
Engine
Cfmint CFM567B262
Part
Hmu
Part number
442653
Part serial
BECW1107
Condition
Faulted
Location
Nr 2 Engine
Part time
76,250 hours, 28,616 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J
Precautionary procedure
C

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

What was found

MENTIONED TO MX TECH NUM TWO ENG LAGGED AFTER TOGA. ALMOST 30-40 SPLIT AT ONE POINT UPDATE LABOR HOURS REPLACED HYDROMECHANICAL UNIT PER AMM 73-21-10/401. ACCOMPLISHED POWER PLANT RUN TEST REFERENCE TABLE ( TASK 71-00-00-800-811-F00.