SDR DJFA20180709001

Service difficulty report · Modulating Valve · Emb EMB505

Difficulty date: July 9, 2018
Submitted: July 18, 2018
Operation: Air carrier
Aircraft: N353FX
Make and model: Emb EMB505
Aircraft serial: 50500115
Aircraft time: 5,644 hours, 3,857 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Modulating Valve
Condition: Defective
Location: Bleed Air Sys
Stage of operation: DE
How discovered: O
Nature of condition: B, J
Precautionary procedure: O

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

What was found

ON DESCENT PASSING 1200 (H STAB AND ENGINE HEATS ON) IMC, "DUCT 2 OVERTEMP" CAS MESSAGE ILLUMINATED. AIR CONDITION TO MANUAL - NO EFFECT, ECS KNOB - 1 NO EFFECT, ECS KNOB OFF - VENT CAS MESSAGE WENT OUT. LANDING UNEVENTFUL AFTER SHUT DOWN STRONG BURNING SMELL WAS NOTICEABLE. REMOVED AND REPLACED TEMP MODULATING VALVE NR 2 AND DUCT TEMP SENSOR NR 2 PERFORMED OPS CHKS. OPS CHKS GOOD.

More about the Emb EMB-505