Narrative:

En route from sjc to lax at filed cruise altitude FL330, approximately 10-15 DME past ave VOR on the sadde 6 arrival to lax. Autothrottles on, with performance management system engaged. Autoplt on and navigating by vlfirst officermega. Pilots backing up navigation with vors. In contact with ZLA. 2 pilots, 3 flight attendants, 80 passenger and 1 lap child. Aircraft MD87, P&west JT8D-219. We heard a muffled 'boom' followed by an increasing rumble and a more muffled pop. Engine parameters on the left side showed rapidly decreasing rotational speeds and egt rising to 800 degrees. Autothrottles disengaged and left throttle brought to idle. ATC advised and engine shutdown checklist accomplished. Rumbling sound and vibration continued even after engine shutdown. Flight attendants were briefed for a normal landing and passenger were advised of our situation by the captain via the PA. We continued flying the sadde 6 arrival to lax and met all restrs. We were subsequently cleared for a visual approach to runway 24R and landed uneventfully. Initial inspection showed no damage to the front of the engine, fan blades, or first stage compressor blades. Failure was internal.

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Original NASA ASRS Text

Title: AN MD87 EXPERIENCED TOTAL FAILURE OF THE #1 ENG IN CRUISE. EMER DECLARED AND LNDG IN LAX UNEVENTFUL. ENG WAS A P&W JT8D-219.

Narrative: ENRTE FROM SJC TO LAX AT FILED CRUISE ALT FL330, APPROX 10-15 DME PAST AVE VOR ON THE SADDE 6 ARR TO LAX. AUTOTHROTTLES ON, WITH PERFORMANCE MGMNT SYS ENGAGED. AUTOPLT ON AND NAVING BY VLF/OMEGA. PLTS BACKING UP NAV WITH VORS. IN CONTACT WITH ZLA. 2 PLTS, 3 FLT ATTENDANTS, 80 PAX AND 1 LAP CHILD. ACFT MD87, P&W JT8D-219. WE HEARD A MUFFLED 'BOOM' FOLLOWED BY AN INCREASING RUMBLE AND A MORE MUFFLED POP. ENG PARAMETERS ON THE L SIDE SHOWED RAPIDLY DECREASING ROTATIONAL SPDS AND EGT RISING TO 800 DEGS. AUTOTHROTTLES DISENGAGED AND L THROTTLE BROUGHT TO IDLE. ATC ADVISED AND ENG SHUTDOWN CHKLIST ACCOMPLISHED. RUMBLING SOUND AND VIBRATION CONTINUED EVEN AFTER ENG SHUTDOWN. FLT ATTENDANTS WERE BRIEFED FOR A NORMAL LNDG AND PAX WERE ADVISED OF OUR SIT BY THE CAPT VIA THE PA. WE CONTINUED FLYING THE SADDE 6 ARR TO LAX AND MET ALL RESTRS. WE WERE SUBSEQUENTLY CLRED FOR A VISUAL APCH TO RWY 24R AND LANDED UNEVENTFULLY. INITIAL INSPECTION SHOWED NO DAMAGE TO THE FRONT OF THE ENG, FAN BLADES, OR FIRST STAGE COMPRESSOR BLADES. FAILURE WAS INTERNAL.

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.