Service difficulty report · Blower · Emb EMB505

Difficulty date
January 20, 2026
Submitted
January 23, 2026
Operation
Air carrier
Aircraft
N486QS
Make and model
Emb EMB505
Aircraft serial
50500840
Aircraft time
1,114 hours, 892 cycles
Part
Blower
Part number
1133850107
Part serial
1445
Condition
Faulty
Stage of operation
CL
How discovered
O
Nature of condition
B
Precautionary procedure
A

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

What was found

DURING INITIAL CLIMB OUT OF ADS WE BOTH NOTICED A SMOKE/BURNING SMELL THAT LASTED FOR ABOUT 30 SECONDS AND THEN DISSIPATED. THE ONLY ABNORMAL INDICATION WE SAW WAS AN OCCASIONAL AMBER X ON THE RIGHT SIDE OF THE HEAT EXCHANGER ON THE ECS PAGE. ADDITIONALLY I RECALL THAT YESTERDAY WHEN SWITCHING THE COCKPIT FAN FROM LOW TO MEDIUM IT WAS LOUDER THAN NORMAL ALTHOUGH TODAY IT SOUNDS NORMAL AGAIN. NO SMOKE WAS VISIBLE DURING THE FLIGHT BUT WE BOTH OCCASIONALLY NOTICED THE SMELL AGAIN VERY BRIEFLY AS WE FLEW BACK TO DAL. CORRECTIVE ACTION: REMOVED COCKPIT EVAPORATOR BLOWER P/N: 1133850-107 S/N:1445 AND INSTALLED CUSTOMER SUPPLIED, NEW COCKPIT EVAPORATOR BLOWER P/N: 1133850-107 S/N:1481. OPS CHECKS GOOD ALL WORK IN REF TO EMB-505 AMM 21-52-04

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