Narrative:

During flight from bos-cle the #1 engine oil quantity gauge steadily declined. Not knowing if it was the gauge/transmitter/actual, we began to plan for the actual loss by conferring with the lead flight attendant, checking good alternates along our route of flight. Maintenance was notified. During approach, oil pressure began to fluctuate and dropped to 35 psi -- low oil pressure light came on so we did a precautionary engine shutdown. Emergency was declared but cabin was secured for a normal landing. No smoke/flames were noted by emergency vehicles so we taxied to gate for a normal off load. A broken oil line was found. Callback conversation with reporter revealed the following information: the reporter stated the aircraft was a DC9 with P&west JT8D-7 engines. The reporter said maintenance found a broken oil line on the engine.

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Original NASA ASRS Text

Title: A DC9 SHUT DOWN #1 ENG AND DECLARED AN EMER DUE TO LOSS OF OIL PRESSURE AND QUANTITY CAUSED BY A BROKEN OIL LINE.

Narrative: DURING FLT FROM BOS-CLE THE #1 ENG OIL QUANTITY GAUGE STEADILY DECLINED. NOT KNOWING IF IT WAS THE GAUGE/XMITTER/ACTUAL, WE BEGAN TO PLAN FOR THE ACTUAL LOSS BY CONFERRING WITH THE LEAD FLT ATTENDANT, CHKING GOOD ALTERNATES ALONG OUR RTE OF FLT. MAINT WAS NOTIFIED. DURING APCH, OIL PRESSURE BEGAN TO FLUCTUATE AND DROPPED TO 35 PSI -- LOW OIL PRESSURE LIGHT CAME ON SO WE DID A PRECAUTIONARY ENG SHUTDOWN. EMER WAS DECLARED BUT CABIN WAS SECURED FOR A NORMAL LNDG. NO SMOKE/FLAMES WERE NOTED BY EMER VEHICLES SO WE TAXIED TO GATE FOR A NORMAL OFF LOAD. A BROKEN OIL LINE WAS FOUND. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT WAS A DC9 WITH P&W JT8D-7 ENGS. THE RPTR SAID MAINT FOUND A BROKEN OIL LINE ON THE ENG.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.