ASN Wikibase Occurrence # 309994
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| Date: | Wednesday 24 April 2013 |
| Time: | 16:20 LT |
| Type: |  Piaggio P180 |
| Owner/operator: | Avantair Inc |
| Registration: | N139SL |
| MSN: | 1104 |
| Total airframe hrs: | 7989 hours |
| Engine model: | Pratt & Whitney PT6A-66 |
| Fatalities: | Fatalities: 0 / Occupants: 6 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Clearwater, Florida -
 United States of America
|
| Phase: | Landing |
| Nature: | Executive |
| Departure airport: | St. Petersburg-Clearwater International Airport, FL (PIE/KPIE) |
| St. Petersburg-Clearwater International Airport, FL (PIE/KPIE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During landing, the nosewheel touched down, and the pilot heard the tire "squeal" and then felt the airplane gradually veer right. The pilot attempted to correct the turn by applying left rudder, left braking, and left-engine reverse thrust. The airplane came to a stop with the nose pointed more than 90 degrees right of the runway centerline. Examination of the nose landing gear steering manifold revealed that it had recently been overhauled but that the overhaul was not conducted in accordance with the manufacturer's component maintenance manual (CMM); the overhaul facility used unapproved alternative tooling because it did not have the required tooling to conduct the overhaul as specified in the CMM. The nose landing gear steering manifold exhibited internal damage consistent with metal tooling marks that resulted from the use of improper tooling during the overhaul and led to the failure of the nose landing gear steering manifold during landing.
Probable Cause: The failure of the nose landing gear steering manifold during landing, which resulted in an uncommanded and uncontrollable right turn, and the overhaul facility's improper overhaul of the nose landing gear steering manifold.
Accident investigation:
 |
|
Sources:
NTSB CEN13IA270
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2023 16:11 | ASN Update Bot | Added |
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