Service difficulty report · Apu · Emb EMB145XR

Difficulty date
March 2, 2026
Submitted
March 3, 2026
Operation
Air carrier
Aircraft
N17169
Make and model
Emb EMB145XR
Aircraft serial
14500844
Aircraft time
43,402 hours, 31,364 cycles
Part
Apu
Condition
Contaminated
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
C, B
Precautionary procedure
B, A

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

What was found

THICK ACCURATE (ELECTRICAL/MECHANICAL SMELL) SMOKE COMING FROM THE VENTS IN THE CABIN AND FLIGHT DECK DURING CLIMBOUT. DEICED WITH TYPE 1 AND 4 PRIOR TO DEPARTURE. CAPTAIN SAID IT WASN’T DEICE FLUID SMELL. OCCURRED ON GEAR UP AROUND 700 FEET NOTICED SMOKE COMING FROM VENTS. APU WAS SUPPLYING BLEED. #1 AND #2 ENGINE BLEEDS WERE OFF. FLIGHT CREW DONNED O2 MASK. PASSENGER DID NOT. BY THE TIME DONNED THE O2 MASK AND PUTTING ON THE SMOKE GOGGLES, THE SMOKE DISSIPATED. FLIGHT CREW DID NOT REMEMBER SEEING ANY EICAS MESSAGES. BOTH PACKS WERE RUNNING. SINK RATE ON LANDING WAS LESS THAN 6FPS . NO OVERWEIGHT LANDING REQUIRED. PERFORMED FIM. INSPECTED BOTH LH AND RH AIR CYCLE MACHINES, NO FAULTS FOUND. INSPECTED LH AND RH COCKPIT RELAY SUPPORTS, NO FAULTS FOUND. PERFORMED INSPECTION OF APU INLET AND APU COWLING AND FOUND DEICING FLUID INGESTION. REMOVED ALL DEICING FLUID CONTAMINATION. RAN BOTH PACKS WITH BLEEDS ON. OPS CHECK SAT. NO FURTHER DEICING FLUID SMELL OR SMOKE COMING FROM COCKPIT OR CABIN VENTS. SERVICED O2 TO 1700 PSI. RETURNED SMOKE GOGGLES AND O2 MASKS TO ORIGINAL CONFIG. NO FURTHER DEFECTS NOTED AT THIS TIME.

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