ASN Wikibase Occurrence # 383385
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| Date: | Monday 6 September 1982 |
| Time: | 17:39 LT |
| Type: |  Aero Commander 681 |
| Owner/operator: | Trans Industries |
| Registration: | N10TN |
| MSN: | 6037 |
| Total airframe hrs: | 2232 hours |
| Engine model: | AIRESEARCH TPE-331-43BL |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Pontiac, MI -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Detroit, MI (KDTW) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING CRUISE FLIGHT THE PILOT OBSERVED THE HYDRAULIC SYSTEM PRESSURE FLUCTUATING. THE PILOT IMMEDIATELY WENT INTO A HOLD PATTERN AND ATTEMPTED TO ASCERTAIN THE PROBLEM. AFTER REPEATED ATTEMPTS THE PILOT WAS ABLE TO LOWER THE NOSE GEAR AND THE RIGHT MAIN GEAR. DURING FINAL APPROACH FOR THE EMERGENCY LANDING THE PILOT FEATHERED THE LEFT ENGINE AND ON TOUCHDOWN THE RIGHT ENGINE WAS FEATHERED. TOUCHDOWN WAS MADE ON THE RIGHT GEAR WITH FULL RIGHT AILERON. THE PILOT LOST AILERON LIFT AND THE AIRCRAFT SETTLED ONTO THE LEFT GEAR AND THE GEAR COLLAPSED. INVESTIGATION REVEALED THAT THE LEFT, MAIN GEAR HYDRAULIC SYSTEM PLUMBING HAD A FATIGUE HAIRLINE CRACK IN THE PRESSURE LINE LEADING FROM THE PUMP TO THE CYLINDER. THE FRACTURE WAS IN THE 90 DEGREE BEND OF THE LINE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB CHI82DA341
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Apr-2024 00:06 | ASN Update Bot | Added |
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