| LYCOMING IO540 – ATA 8520 RECIPROCATING ENGINE POWER SECTION – CONNECTING ROD – FAILED. DR 611953620 | ||
| Engine loss of power and subsequent forced landing. Appears that cylinder 3 conrod has failed. | ||
| LYCOMING O540 F1B5 – ATA 8520 RECIPROCATING ENGINE POWER SECTION – CYLINDER – LOW COMPRESSION. DR 611953669 | ||
| No4 cylinder overhauled and fitted at TSO 196.2, it failed compression check. Exhaust valve face and seat found worn.
No2 cylinder overhauled and fitted at TSO 97.2. This cylinder failed compression check as well. Exhaust valve and seat found worn. Both cylinders replaced. |
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| LYCOMING O540 F1B5 – ATA 8520 RECIPROCATING ENGINE POWER SECTION – CYLINDER – LOW COMPRESSION. DR 611953672 | ||
| Engine no2 cylinder failed compression check with leaks at inlet and exhaust. Inlet valve had carbon build up on back of valve and seat. Exhaust valve face and seat found worn, cylinder assembly replaced. | ||
