SDR ASAA2015061612116

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: June 16, 2015
Submitted: June 19, 2015
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 32,673 hours, 9,779 cycles
Engine: Cfmint CFM567B27
System (JASC): 7700 · Engine Indicating System
Part: Warning Light
Condition: False Activation
Location: Engine
Stage of operation: IN
How discovered: 9
Nature of condition: N
Precautionary procedure: K

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

What was found

DURING ETOPS PDC LIGHT CHECK FOUND ENGINE VALVE CLOSED. LIGHT INDICATED BRIGHT FOR NR 2 ENGINE. ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-06, TASK 804, NO DISCREPANCY NOTED, HPSOV POSITION SWITCH READS GOOD, POWER TO HMU IS GOOD AND SYS WORKS NORMAL ON NR 2 ENG REF MM 71-00-00-700-808-F00, MM 71-00-00-700-807-F00, IDLE POWER CHECK MM 71-00-00-700-801-F00 AND WDM 76-21-21.