142 Engine Oil (ATA 79) service difficulty reports for the Boeing 757 — 0.1% of all reported difficulties.
Most reported components
- TRANSMITTER 17
- OIL SYSTEM 13
- PRESSURE SWITCH 12
- NONE 11
- UNKNOWN 10
- SWITCH 6
- ENGINE 6
- WARNING SYSTEM 5
- OIL COOLER 5
- BYPASS VALVE 4
- OIL CAP 3
- O-RING 3
- HEAT EXCHANGER 3
- WARNING LIGHT 3
- PUMP 3
Report counts reflect fleet size and reporting activity, not relative safety or reliability. Source: FAA Service Difficulty Reporting System (public domain).