On climb out of a B757, noise heard from engine. Return land to field.

Attributes
ACN	417315
Time
Date	199809
Day	Tue
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : sju
State Reference	PR
Aircraft 1
Controlling Facilities	tracon : sju
Operator	common carrier : air carrier
Make Model Name	B747-400
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude
Route In Use	enroute : other oceanic
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight attendant : on duty
Qualification	other other : other
ASRS Report	417315
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	aircraft equipment problem : critical
Independent Detector	other flight crewa other other : unspecified
Resolutory Action	none taken : unable other
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

On climb out, 2 loud bangs from engines occurred. Passenger at seat xxf noticed smoke and sparks from l-hand engine (passenger from xxa did not). Cockpit noticed 'power surge' in said engine so requested return to airport. Mechanic could not find problem. New aircraft was located for remainder of flight.

Original NASA ASRS Text

Title: ON CLBOUT OF A B757, NOISE HEARD FROM ENG. RETURN LAND TO FIELD.

Narrative: ON CLBOUT, 2 LOUD BANGS FROM ENGS OCCURRED. PAX AT SEAT XXF NOTICED SMOKE AND SPARKS FROM L-HAND ENG (PAX FROM XXA DID NOT). COCKPIT NOTICED 'PWR SURGE' IN SAID ENG SO REQUESTED RETURN TO ARPT. MECH COULD NOT FIND PROB. NEW ACFT WAS LOCATED FOR REMAINDER OF FLT.

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.