| PISTON |
| LYCOMING IO540 AE1A5 – ATA 8520 RECIPROCATING ENGINE POWER SECTION – VALVE GUIDE – JAMMED. DR 612054591 |
| Low rotor annunciator & horn. Engine guide valve seized a valve open. |
| PISTON |
| LYCOMING IO540 AE1A5 – ATA 8520 RECIPROCATING ENGINE POWER SECTION – VALVE GUIDE – JAMMED. DR 612054591 |
| Low rotor annunciator & horn. Engine guide valve seized a valve open. |