# SDR YQSA20260722001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2026
- Submitted: July 22, 2026
- Operation: Air carrier
- Aircraft: [N4KS](https://openairdocs.org/aircraft/N4KS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605035
- Aircraft time: 7,562 hours, 5,660 cycles
- Engine: Pwa PW545A
- Engine time: 7,220 hours, 5,428 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Empty
- Location: Engine
- Component: Engine, Pwc, PW545A
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YQSA20260722001

## Discrepancy

N4KS HAD NORMAL STARTS 1ST, 2 LEGS, NORMAL TAKEOFF PROCEDURE AND PREFLIGHT CHK, OILS CHKD & WALK AROUND DONE. TOOK OFF, CLIMBING THROUGH 12,000 WHEN OIL PSI DROPPED TO 0, BOUNCED BACK TO NORMAL RANGE OF 66-69 A FEW TIMES WITH OIL TEMP SLOWLY RISING BEFORE DROPPING TO 0 CONSTANT WITH POWER IN CLIMB. BURNING ODOR FILLED CABIN & OXYGEN MASK PUT ON BEFORE DECLARING EMERGENCY & REQUESTED DIVERSION TO DPA. LT THROTTLE PULLED BACK TO IDLE IMMEDIATELY & DESCENT  REQUESTED. TO ELIMINATE ODOR  PILOT MONITORING SWITCHED PRESSURE SOURCE TO RT & PUT COCKPIT RECIRC TO LOW. AFTER DESCENDING THROUGH 6000, ENG OIL PSI & OIL TEMP LEVELED AT 52 & STAYED CONSTANT THROUGH LANDING. AFTER SHUTDOWN & EGRESS,  LT ENG EMITTING WHITE SMOKE OUT OF FRONT & HAD AN ODOR FOR 5-10 MINS AFTER SHUTDOWN. POST FLIGHT OIL CHECK SHOWED NO OIL LEFT IN ENG ON THE OIL GAUGE.

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