ON APPROACH AT 4000' MSL, BOTH PILOTS NOTICED FUMES ON THE FLT DECK. VERY NOTICEABLE DIRTY SOCK SMELL. NO VISIBLE FUMES. 2 PACKS, SINGLE RIGHT BLEED DUE TO MEL CONFIGURATION. SMELL AFTER APU START WE TURNED OFF REMAINING RIGHT BLEED AND SMELL SLIGHTLY DISSIPATED. C/W WORKCARD #550-2003- 0550-2202. REMOVED LPC PLUG 2 PER 72-31 ALL 8 HPC PLUG PER AMP 72-35 AND N1 SPEED SENSOR PER AMP 72-34. PERFORMED BORO OF LPC & HPC FOR OIL WETTING. NO STAINS OR WETTING IN LPC-HPC. BORO OF #3 BEARING COMPT- NO DAMAGE TO COMPT. INSTALLED LPC PLU 2 PER AMP 72-31 ALL 8 HPC PLUGS PER A AMP 72- 35 AND N1 SPEED SENSOR PER AMP 72-34. C/W DUCT BURN OUT & P-TRAK SAMPLING – RESULTS PENDING. C/W JIC – OK FOR SERVICE. (LP# 7364092)
| Incident date | December 9, 2025 |
|---|---|
| Airline | DALA |
| Flight | AT4000 |
| Aircraft | AIRBUS BD5001A10 |
| Registration | N104DU |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: DALA fumes or odor report on 2025-12-09 (external.apic4e.faa.gov)
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