ASN Wikibase Occurrence # 299389
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| Date: | Tuesday 11 January 2000 |
| Time: | 07:25 LT |
| Type: |  Beechcraft F-33A |
| Owner/operator: | Airline Training Center Arizon |
| Registration: | N1565A |
| MSN: | CE-1331 |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 11922 hours |
| Engine model: | Continental IO-520-BB |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | MOBILE, Arizona -
 United States of America
|
| Phase: | Unknown |
| Nature: | Training |
| Departure airport: | , AZ (1AZ0) |
| GOODYEAR , AZ (KGYR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During climb out the engine began shaking, rattling, and losing power. The flight instructor took the controls and performed an emergency off-airport landing. While on rollout the aircraft sustained substantial damage to the leading edges and lower surfaces of both wings. The engine had been previously inspected IAW TCM 99-3, which required the removal of the No. 1 and 3 cylinders. Upon reassembly of the cylinders, it was necessary to reinstall three snap rings on the crankshaft counterweights at the No. 2 and 5 cheeks. An inspection of he No. 5 cheek revealed that these three snap rings were not fully seated. The signatures on the crankshaft and counterweight were consistent with a counterweight striking the crankshaft. This can only happen if the counterweight pin is not in place. A revision to TCM mandatory service bulletin 99-3C, published on July 27, 1999, now requires that the gap between the snap ring ears be measured to insure that they are properly seated during reassembly.
Probable Cause: the manufacturer representative's improper reinstallation of the crankshaft counterweight snap rings which subsequently separated, allowing the crankshaft counterweight to contact the crankshaft resulting in a total power loss of engine power.
Accident investigation:
 |
|
Sources:
NTSB LAX00LA074
History of this aircraft
Other occurrences involving this aircraft
| 5 June 2010 | N1565A | Airline Transport Training Center Arizona Inc. | 0 | Marana, Arizona | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Oct-2022 06:04 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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