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Safety Recommendation Details

Safety Recommendation A-74-089
Details
Synopsis: ON JULY 8, 1974, A NATIONAL AIRLINES, INC., DC-10, N60NA, WAS INVOLVED IN AN ACCIDENT NEAR TAMPA, FLORIDA. THE NATIONAL TRANSPORTATION SAFETY BOARD'S INVESTIGATION OF THE ACCIDENT HAS REVEALED A NEED FOR CORRECTIVE ACTION ON THE DIGITAL FLIGHT DATA RECORDER (DFDR) SYSTEM. THE AFT COWLING ON THE NO. 1 ENGINE SEPARATED IN FLIGHT AND PART OF IT WAS INGESTED BY THE NO. 2 ENGINE.HEAVY ENGINE DAMAGE, VIBRATION, AND FIRE RESULTED.
Recommendation: ISSUE AS SOON AS PRACTICABLE AN AIRWORTHINESS DIRECTIVE ON THE LOCKHEED AIRCRAFT SERVICE COMPANY MODEL 209 TO PREVENT DFDR DATA DROPOUTS CAUSED BY AIRFRAME VIBRATIONS.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Tampa, FL, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: MIA75AM002
Accident Reports: National Airlines, Inc., McDonnell Douglas DC-10-10, N60NA
Report #: AAS-75-01
Accident Date: 7/8/1974
Issue Date: 11/1/1974
Date Closed: 10/1/1975
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 10/1/1975
Response: Closed-acceptable action.

From: FAA
To: NTSB
Date: 11/7/1974
Response: FAA STATING THAT THEY ARE PROCESSING AN AIRWORTHINESS DIRECTIVE WHICH WILL BE IN ACCORDANCE WITH THE RECOMMENDATIONS AND WILL REPLY FURTHER WHEN IT IS COMPLETED. RESPONSE DATED - 5/9/75 "WE HAVE ISSUED AIRWORTHINESS DIRECTIVE WE-45-AD, APPLICABLE TO THE LOCKHEED 209 DIGITAL FLIGHT DATA RECORDER REQUIRING INSTALLATION OF VIBRATION ISOLATORS."