ASN Wikibase Occurrence # 366099
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| Date: | Wednesday 3 October 1990 |
| Time: | 07:49 LT |
| Type: |  Cessna 551 |
| Owner/operator: | Private |
| Registration: | N226N |
| MSN: | 551-0219 |
| Total airframe hrs: | 3361 hours |
| Engine model: | P&W JT15D-4 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Elma, WA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Seattle, WA (KBFI) |
| San Francisco, CA (SFO | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE CLIMB TO CRUISE, THE RIGHT ENGINE ICE FAIL LIGHT ILLUMINATED. THE PILOT REDUCED POWER AND SHUT THE ENGINE DOWN. THE LIGHT REMAINED ILLUMINATED AND THE FIRE EXTINGUISHERS WERE DEPLOYED. THE LIGHT WENT OUT AND THE PILOT RETURNED TO THE AIRPORT. AFTER LANDING, AN EXAM REVEALED THE ELECTRICAL WIRE BUNDLES (THAT RAN ALONG THE TOP OF THE RIGHT WING NEAR THE ROOT) HAD CAUGHT ON FIRE AND BURNED THE LEADING EDGE ANTI-ICE, FIRE DETECTION AND ANTI SKID WIRES. IN CERTAIN AREAS, THE WIRES HAD DROOPED BELOW THE LINE OF SCREWS THAT SECURED THE OUTER PANEL AND WERE RUBBING ON THE PANEL. WHEN THIS AREA WAS LAST INSPECTED FOR WIRE DAMAGE, CHAFING, PROPER CLEARANCE AND SUPPORT, THE INSPECTION PANEL WAS NOT REMOVED ENTIRELY. THE MECHANIC THAT PERFORMED THE INSPECTION HAD VIEWED THE WIRE BUNDLE ASSEMBLY ONLY BY LOOKING DOWN AT THE TOP OF THE WIRES.
Probable Cause: INADEQUATE INSPECTION OF THE ELECTRICAL WIRE BUNDLE ASSEMBLY BY MAINTENANCE PERSONNEL, AND CHAFING/BURNING OF THE WIRE BUNDLE.
Accident investigation:
 |
|
Sources:
NTSB SEA91IA003
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 17:21 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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