DRAFT, needs technical review. Not for publication. The title is our own wording, not the official Paris MoU text.
PSC deficiency code 13101: Main propulsion engine and essential auxiliaries
| Category | Machinery (SOLAS II-1) |
| Related certificate | Cargo Ship Safety Construction |
| Main references | SOLAS II-1/26–27 |
| 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
- Engine unable to manoeuvre as required
- Critical alarm bypassed or defective
- Leaks presenting fire or pollution risk
- Maintenance overdue on safety devices
- Watchkeeping records not matching running hours
Typical root causes
- Deferred overhaul beyond company limit
- Spares funding delayed
- Alarm fatigue leading to ignored warnings
- Condition monitoring not acted upon
Corrective action (example)
Repair defects affecting safe operation; clear alarms; renew defective safety devices; document trials.
Preventive action (example)
Enforce critical equipment list in SMS; superintendent review of overdue jobs.
Evidence to attach for close-out
- Work completion report
- Trial record
- Oil sample if relevant
- Updated PMS status
Related
Generate a close-out report for this finding · Download the CAP template
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.