SDR UIEA2020011500065

Service difficulty report · Warning System · Boeing 767375

Difficulty date: January 14, 2020
Submitted: January 15, 2020
Operation: Air carrier
Aircraft: N1709A
Make and model: Boeing 767375
Aircraft serial: 24086
Aircraft time: 93,566 hours, 21,893 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: K

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

What was found

ON CLIMB OUT, LEFT BLEED LIGHT ILLUMINATED. NO EICAS MSG. LIGHT STAYED ON FOR SEVERAL MINUTES, NO EICAS MSG, THEN IT WENT OUT. WRITTEN UP BEFORE. PERFORMED AIR SUPPLY BITE TEST, NO FAULTS, REF AMM 36-20 FT 805 AND 36-23-00. REMOVED AND RE-RACKED AIR SUPPLY CONTROLLER, REF AMM 36-11-02. PERFORMED AIR SUPPLY PRESSURE IND. CHECKS, REF AMM 36-21-00. OPS CHECKS GOOD. ACFT RELEASED FOR FLIGHT.