# SDR BJNA202601150001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2026
- Submitted: January 15, 2026
- Operation: Air carrier
- Aircraft: [N807VL](https://openairdocs.org/aircraft/N807VL), registered now
- Make and model: Boeing 737-8EH
- Registry model: [Boeing 737-8EH](https://openairdocs.org/model/boeing-737-8eh) (OpenAirDocs)
- Aircraft serial: 35830
- Aircraft time: 45,376 hours, 28,511 cycles
- Engine: Cfmint CFM567B263
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Condition: Leaking
- Location: Zone 400
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BJNA202601150001

## Discrepancy

ON DESCENT THROUGH LOWER ALTITUDES BELOW 12,000 FT CABIN HAS STRONG ENGINE OIL/ WET SOCK SMELL.  PERFORMED FIM FOR SMOKE/FUMES IN CABIN IAW FIM 21-00 TASK 806 UP TO STEP F. (F). OIL SMELL ON HAPPENS WHEN RIGHT ENGINE BLEED IS THE SUPPLY FOR PNEUMATIC/PACK SYSTEM. FURTHER T/SHOOTING REQUIRED. REF W/O# 381678.  REMOVED HIGH STAGE VALVE ON ENG 2 TO CHECK FOR OIL CONTAMINATION. NO OIL NOTED. USED BORESCOPE TO INSPECT 5TH STAGE VALVE FOR OIL CONTANIMATION. NO OIL NOTED.  REINSTALLED HIGH STAGE VALVE WORK DONE IAW AMM 36-11-06/401.INSTALL TEST GOOD.  NO DEFECTS NOTED AT THIS TIME. A/C OK FOR SERVICE

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