SDR UIEA2018082901840

Service difficulty report · Warning System · Boeing 767375

Difficulty date: August 29, 2018
Submitted: August 30, 2018
Operation: Air carrier
Aircraft: N1709A
Make and model: Boeing 767375
Aircraft serial: 24086
Aircraft time: 91,016 hours, 20,974 cycles
System (JASC): 3620 · Pneumatic Indicating System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: O

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

What was found

DURING CLIMB OUT, LT ENG BLEED LIGHT ILLUMINATED, BUT NO EICAS MSG, WENT AWAY. FOLLOWED FIM 36-20 FAULT TREE 804, PERFORMED BITE TEST ON AIR SUPPLY, NO DEFECTS NOTED AT THIS TIME. HPSOV PLACE ON ORDER AS PRECAUTIONARY. P/N 802170-12. VISUALLY INSP HPSOV, NO DEFECT NOTED AT THIS TIME.