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Safety Recommendation Details

Safety Recommendation A-71-027
Details
Synopsis: AS A RESULT OF A RECENT INCIDENT INVOLVING A BOEING 747 WHICH ENCOUNTERED SEVERE TURBULENCE, SIX PASSENGERS AND ONE STEWARDESS WERE HOSPITALIZED, AND 15 PASSENGERS AND ONE STEWARDESS WERE TREATED FOR MINOR INJURIES. ALL INJURIES WERE THE RESULT OF THE SEVERE TURBULENCE ENCOUNTERED WHILE CLIMBING THROUGH FLIGHT LEVEL 280 AT AN INDICATED AIR SPEED OF 280 KNOTS.
Recommendation: THE FAA CORRECT ANY CRASHWORTHINESS DEFICIENCIES IN BOEING 747 OVERHEAD STORAGE BINS BY ESTABLISHING A DEADLINE DATE FOR COMPLIANCE WITH ANY MODIFICATION REQUIREMENTS.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Nantucket, MA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: NYC71AN054
Accident Reports: Pan American World Airways, Inc., Boeing 747-121, N739PA
Report #: AAR-72-14
Accident Date: 11/4/1970
Issue Date: 4/7/1971
Date Closed: 3/2/1972
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: FAA
To: NTSB
Date: 5/7/1971
Response: A CORRECTIVE RETROFIT MODIFICATION HAS BEEN PREPARED BY BOEING IN SERVICE BULLETIN NO. 25-2056. THE FAA IS STUDYING MATTER AND ASSESSING NEED FOR MANDATORY ACTION. NO DEADLINE DATE OR MANDATORY COMPLIANCE ESTABLISHED AS YET.2/16/72 (B) IN A STAFF DISCUSSION BETWEEN THE BUREAU OF AVIATION SAFETY AND FS-50, IT WAS INDICATED BY THE FAA THAT ALL AIR CARRIERS UTILIZING B-747 AIRCRAFT HAD COMPLIED WITH BOEING SERVICE BULLETIN NO. 25-2056 AND THEREFORE, NO MANDATORY ACTION HAD BEEN TAKEN BY FAA. ACCORDINGLY, THE MODIFICATIONS ORIGINALLY SOUGHT WERE IMPLEMENTED.