SMOKE ODOR IN COCKPIT & CABIN DURING CRUISE AT FLT LEVEL 220. OPS BOTH PACKS WITH NO FAULTS. FOUND BOTH MUFFLERS TO HAVE TEARS & EVIDENCE OF BURNS. R & R BOTH RECIRC MUFFLERS. PERFORMED OPS CHECK OF PACK SYS. FAULT PERSISTS, RAN PACK 1 & 2 ON BOTH APU & ENGS INDIVIDUALLY. ODOR IS PRESENT WITH ONLY APU BLEED SELECTED. PERFORMED GVI OF PACK SYS 1 & 2. NO DEFECTS NOTED. REMOVED AND REINSTALLED CROSS BLEED VALVE FOR GVI. NO DEFECTS NOTED. FOUND APU LEAKING & CONSUMING OIL. PERFORMED OIL DECONTAMINATION. FOUND WHEN RUNNING PACKS 1 & 2 WITH ENG BLEED NO ODOR NOTED WHEN PACKS ARE OPERATED WITH APU BLEED SMELL PERSISTS. REMOVED AND REPLACED APU. OPS AND LEAK CHECK SAT. C/B E6 AND C30 RESET. OPS AND LEAK CHECK SAT.
| Incident date | November 15, 2025 |
|---|---|
| Airline | JJBA |
| Flight | SYS1 |
| Aircraft | EMB EMB145XR |
| Registration | N11165 |
| Affected area | Cockpit |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: JJBA fumes or odor report on 2025-11-15 (external.apic4e.faa.gov)
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