Service difficulty report · Switch · Boeing 737890

Difficulty date
December 19, 2019
Submitted
December 19, 2019
Operation
Air carrier
Aircraft
N581AS
Make and model
Boeing 737890
Aircraft serial
35188
Aircraft time
47,802 hours, 14,312 cycles
Engine
Cfmint CFM567B27
Part
Switch
Part number
2688072
Condition
Indication
Location
#2 Eng - Hmu
Stage of operation
IN
How discovered
O
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

HISTORY OF "AFTER ENGINE START, RIGHT ENGINE VALVE CLOSED LIGHT REMAINED ILLUMINATED" GROUNDED - YES. ACCOMP. TSR REMOVED AND REPLACED #2 ENG. HMU HPSOV SWITCH IAW AMM 73-21-09-000-801-F00. OPS CK GOOD. NO FAULTS. GROUND VERIFICATION ACCOMPLISHED OPTS CK GOOD.