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Safety Recommendation Details

Safety Recommendation A-79-046
Details
Synopsis: THIS CORRESPONDENCE IS TO CONFIRM AND AMPLIFY THE DATA GIVEN DURING A TELEPHONE RECOMMENDATION ON JUNE 2, 1979, WHEN OUR DIRECTOR, BUREAU OF TECHNOLOGY CONTACTED YOUR ASSOCIATE ADMINISTRATOR FOR AVIATION STANDARDS. WE RECOMMENDED URGENT ACTIONS REGARDING FURTHER INSPECTION OF DC-10 AIRCRAFT AS A RESULT OF THE MOST RECENT FINDINGS OF OUR INVESTIGATION OF THE AMERICAN AIRLINES DC-10, N110AA, ACCIDENT AT CHICAGO'S O'HARE INTERNATIONAL AIRPORT ON MAY 25, 1979.
Recommendation: ISSUE A MAINTENANCE ALERT BULLETIN DIRECTING FAA MAINTENANCE INSPECTORS TO CONTACT THEIR ASSIGNED CARRIERS AND ADVISE THEM TO IMMEDIATELY DISCONTINUE THE PRATICE OF LOWERING AND RAISING THE PYLON WITH THE ENGINE STILL ATTACHED. CARRIERS SHOULD ADHERE TO THE PROCEDURE RECOMMENDED BY THE DOUGLAS AIRCRAFT COMPANY SERVICE BULLETIN WHICH INCLUDE REMOVING THE ENGINE FROM THE PYLON BEFORE REMOVING THE PYLON FROM THE WING. (URGENT)
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Chicago, IL, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA79AA017
Accident Reports: American Airlines, Inc., DC-10, N110AA
Report #: AAR-79-17
Accident Date: 5/25/1979
Issue Date: 6/4/1979
Date Closed: 8/8/1979
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 8/8/1979
Response: We also note that the faa has issued telegraphic notice n8320.232, fulfilling the intent of this recommendation as well. Both recommendations are now classified as closed--acceptable action.

From: FAA
To: NTSB
Date: 7/16/1979
Response: FAA LTR: TELEGRAPHIC NOTICE N8320.232 COVERING THIS SUBJECT WAS ISSUED JUNE 3, 1979.