# SDR REXA2021072200525

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2021
- Submitted: July 28, 2021
- Operation: Air carrier
- Aircraft: [N335PQ](https://openairdocs.org/aircraft/N335PQ), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 4843
- Aircraft time: 26,504 hours, 26,775 cycles
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Oil System
- Condition: Low Pressure
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/REXA2021072200525

## Discrepancy

WHILE COMPLYING WITH MEL 24-11-1A WE HAD APU RUNNING CONTINUOUSLY IN FLIGHT. ABOUT 30 MIN INTO THE FLIGHT AT FL250 WE RECIEVED APU OIL PRESS CAUTION. COMPLIED WITH QRH AND LEFT APU RUNNING BECAUSE OF IDG#2 DEFERRAL. ABOUT 10 LATER WE RECIEVED A RIGHT ENGINE LOW OIL PRESSURE WARNING 18 PSI AND DECREASING. DECLARED EMERGENCY. QRH FOR RIGHT ENG LOW OIL UNREADABLE. COMPLETED IN FLIGHT SHUTDOWN AROUND 7000 FT. REMOVED AND REPLACED #2 ENGINE IAW J/C 200-71-00-00. CHECKS GOOD. REF AML 3736868-2 FOR APU

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