Accident Fairchild SA227-AC Metro III N2683B,
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ASN Wikibase Occurrence # 369934
 
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Date:Friday 26 August 1988
Time:09:06 LT
Type:Silhouette image of generic SW4 model; specific model in this crash may look slightly different    
Fairchild SA227-AC Metro III
Owner/operator:Wings West
Registration: N2683B
MSN: AC-617
Total airframe hrs:5378 hours
Engine model:AIRESEARCH TPE-331
Fatalities:Fatalities: 0 / Occupants: 14
Aircraft damage: Substantial
Category:Accident
Location:Sacramento, CA -   United States of America
Phase: En route
Nature:Unknown
Departure airport:San Francisco, CA (SFO
Destination airport:Sacramento, CA (SMF
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE CREW STATED THAT WHILE ON THE GROUND AT SAN FRANCISCO, OIL WAS ADDED TO THE RIGHT ENGINE BY A MECHANIC. THE CAPTAIN STATED HE SAW THE SIX LATCHES DOWN AND THE COWLING HALVES WERE FLUSH. THE FIRST OFFICER DID NOT GET OUT OF THE AIRPLANE AND CHECK THE COWLING SINCE THE CAPTAIN HAD BEEN OUTSIDE WITH THE MECHANIC. DURING CRUISE FLIGHT, THE TOP HALF OF THE RIGHT ENGINE COWLING SEPARATED FROM THE AIRPLANE. DURING SEPARATION, IT HIT THE CABIN WINDOW AT ROW 4 CAUSING IT TO BREAK & DEPRESSURIZE THE CABIN. A LADY SEATED AT 4C RECEIVED A CUT ON HER RIGHT FOREARM & HER PURSE WAS 'SUCKED OUT' THE OPENING. AN EXAM OF THE FAILED PARTS OF THE NACELLE REVEALED NO EVIDENCE OF PREEXISTING CRACKS.

Probable Cause: MECHANICS FAILURE TO PROPERLY SECURE THE RIGHT ENGINE COWLING AFTER MAINTENANCE.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: LAX88LA303
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

NTSB LAX88LA303

Location

Revision history:

Date/timeContributorUpdates
24-Mar-2024 19:49 ASN Update Bot Added

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