DRAFT, needs technical review. Not for publication. The title is our own wording, not the official Paris MoU text.
PSC deficiency code 14104: Oil filtering equipment (15 ppm oily water separator)
| Category | Pollution prevention (MARPOL Annex I) |
| Related certificate | IOPP Certificate |
| Main references | MARPOL Annex I, reg. 14 |
| Typical action codes | 17 (rectify before departure), 30 (detainable) if serious |
| Commonly detainable? | Can be, depending on severity (no statistics claimed) |
What PSC officers look for
- Oily water separator not working or bypassed
- Evidence of tampering (pipes, flanges, freshwater flushing of the sensor)
- Crew unfamiliar with operating the equipment
- Oil Record Book entries that don't match the equipment
Typical root causes
- Poor maintenance of the separator and sensor
- Bilge management relying on overboard discharge
- Lack of seal control on overboard valves
Corrective action (example)
Repair and test the separator; verify the 15 ppm monitor; secure overboard valves under seal control; check the ORB against tank soundings.
Preventive action (example)
Seal management procedure; monthly OWS test in the PMS; chief engineer training; shore review of ORB entries each month.
Evidence to attach for close-out
- Service and calibration certificate
- Seal log
- ORB copies
- Training record
Related
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Official code list: Paris MoU, List of Deficiency Codes (1 July 2026). Action codes: Paris MoU, Inspection outcome. Reviewed by: _pending_ · Review date: _pending_ This page is general guidance, not legal, flag or class advice. Always follow the PSC officer's instructions and your flag and class requirements.