# SDR DALA2026092805377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N711ZX](https://openairdocs.org/aircraft/N711ZX), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28481
- Aircraft time: 96,608 hours, 25,375 cycles
- Engine: Pwa PW2037
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Lt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, C, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026092805377

## Discrepancy

ATB- DUE ODOR IN THE FLIGHT DECK DURING CLIMB.   REPLACED LEFT ENGINE. REMOVED OIL CONTAMINATION FROM PACK AND PNEUM SYSTEM. REPLACE BOTH RECIRC FILTER. OPS NORMAL. (AIRCRAFT GROUNDED)

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