THE FAILURE OF THE WELD HOLDING THE SLIP JOINT TO THE PNEUMATIC DUAL COMPENSATOR FROM THE NO. 2 ENGINE.
— NTSB Determination
THE WELD AT A SLIP JOINT TO THE PNEUMATIC DUAL COMPENSATOR FOR THE NO. 2 ENGINE ON A LOCKHEED L-1011-385-1 SEPARATED IN THE MID-CARGO COMPARTMENT AREA. THAT BLEED AIR FROM THE ENGINE ACTIVATED THE FIRE WARNING LASP CIRCUITY IN THE AREA ALERTING THE CREW. THIS IS THE THIRD KNOWN SEPARATION OF THIS UNIT. THESE ITEMS ARE ON THE C-PHASE INSPECTION. TWO SERVICE BULLETINS WERE ISSUED IN 1978 AND REVISED IN 1984 (SB09336-041).
THE WELD AT A SLIP JOINT TO THE PNEUMATIC DUAL COMPENSATOR FOR THE NO. 2 ENGINE ON A LOCKHEED L-1011-385-1 SEPARATED IN THE MID-CARGO COMPARTMENT AREA. THAT BLEED AIR FROM THE ENGINE ACTIVATED THE FIRE WARNING LASP CIRCUITY IN THE AREA ALERTING THE CREW. THIS IS THE THIRD KNOWN SEPARATION OF THIS UNIT. THESE ITEMS…
The accident on 1990-02-19 involved a Lockheed L-1011-385-1, registration N31013, operated by Twa, at Los Angeles, CA.
THE FAILURE OF THE WELD HOLDING THE SLIP JOINT TO THE PNEUMATIC DUAL COMPENSATOR FROM THE NO. 2 ENGINE.
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