# SDR AALA202606256811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2026
- Submitted: June 26, 2026
- Operation: Air carrier
- Aircraft: [N338RS](https://openairdocs.org/aircraft/N338RS), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 44458
- Aircraft time: 18,320 hours, 6,827 cycles
- Engine: Cfmint LEAP1A24E1
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Condition: Deformed
- Location: Oil Cap
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202606256811

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING CRUISE AT FL 360 WE WERE ALERTED TO A LEFT ENGINE OIL QUANTITY OF 4 QTS.  OIL PRESSURE AND TEMP WERE INDICATING NORMAL. CONSULTED THE QRH AND THE PROCEDURE SAID TO CONTINUE FLIGHT.  AS WE PROGRESSED, THE QUANTITY DROPPED FURTHER TO 1 QT STILL WITH NORMAL TEMP & PRESSURE VALUE INDICATIONS . TO PREVENT POSSIBLE SHUTDOWN AND DAMAGE TO ENGINE, THE DECISION WAS MADE TO DIVERT TO KIN. EMERGENCY DECLARED, LANDED WITHOUT INCIDENT. MAINTENANCE FOUND OIL CAP O-RING  DEFORMING AND REPLACED OIL CAP O-RING IAW AMM 79-11-03.

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