 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
A B757-200 air carrier flight crew experiences a series of compressor stalls on the right engine during a steep noise abatement climb out at sna. The flight crew abandoned the noise abatement procedure, shut down the engine and diverted to lax.
| Attributes | |
| ACN | 368057 |
| Time | |
| Date | 199705 |
| Day | Mon |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sna |
| State Reference | CA |
| Altitude | agl bound lower : 600 agl bound upper : 700 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : sna |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : initial other other |
| Route In Use | departure other departure sid : sid |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 12000 flight time type : 2000 |
| ASRS Report | 368057 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | other Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Situations | |
| ATC Facility | procedure or policy : unspecified |
Narrative:
Our B757 suffered a compressor stall leading to a complete loss of power. Flight attendants reported the engine 'torched' beyond the last row of side windows. Captain was PF. We shut down engine according to company's securing procedures and diverted flight to lax. This emergency necessitated abandoning the local noise abatement profile at sna. Callback conversation with reporter revealed the following information: this B757-200 first officer said that his company's practice is to designate a small number of aircraft in each of their fleet types to fly into sna. Only these aircraft are subjected to the stress of always making full power takeoffs at sna and therefore, in the reporter's opinion, have a much higher engine stress level than the rest of the fleet. This leads to more and more engine problems in this subset of aircraft than in the rest of the fleet, he said. In this case, the r-hand PW2037 engine had a very violent compressor stall then from 6-8 less violent compressor stalls. A cabin attendant reported that flame from the initial compressor stall effect reached back to a point aft of the last passenger window. The flight crew declared an emergency and requested a diversion to lax from sna departure control. The first officer said that they decided to go to lax because they could see it and the runways were longer and they had more confidence in the crash fire rescue equipment teams there. After completing their engine compressor stall checklist they decided to shut down the engine because the egt had started to rise. The remainder of the flight on 1 engine was as expected. After landing in lax the reporter said that the flight crew saw debris in the tail pipe. He was not sure of the source of the material, but it appeared to be dark in color.
Original NASA ASRS Text
Title: A B757-200 ACR FLC EXPERIENCES A SERIES OF COMPRESSOR STALLS ON THE R ENG DURING A STEEP NOISE ABATEMENT CLBOUT AT SNA. THE FLC ABANDONED THE NOISE ABATEMENT PROC, SHUT DOWN THE ENG AND DIVERTED TO LAX.
Narrative: OUR B757 SUFFERED A COMPRESSOR STALL LEADING TO A COMPLETE LOSS OF PWR. FLT ATTENDANTS RPTED THE ENG 'TORCHED' BEYOND THE LAST ROW OF SIDE WINDOWS. CAPT WAS PF. WE SHUT DOWN ENG ACCORDING TO COMPANY'S SECURING PROCS AND DIVERTED FLT TO LAX. THIS EMER NECESSITATED ABANDONING THE LCL NOISE ABATEMENT PROFILE AT SNA. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THIS B757-200 FO SAID THAT HIS COMPANY'S PRACTICE IS TO DESIGNATE A SMALL NUMBER OF ACFT IN EACH OF THEIR FLEET TYPES TO FLY INTO SNA. ONLY THESE ACFT ARE SUBJECTED TO THE STRESS OF ALWAYS MAKING FULL PWR TKOFS AT SNA AND THEREFORE, IN THE RPTR'S OPINION, HAVE A MUCH HIGHER ENG STRESS LEVEL THAN THE REST OF THE FLEET. THIS LEADS TO MORE AND MORE ENG PROBS IN THIS SUBSET OF ACFT THAN IN THE REST OF THE FLEET, HE SAID. IN THIS CASE, THE R-HAND PW2037 ENG HAD A VERY VIOLENT COMPRESSOR STALL THEN FROM 6-8 LESS VIOLENT COMPRESSOR STALLS. A CABIN ATTENDANT RPTED THAT FLAME FROM THE INITIAL COMPRESSOR STALL EFFECT REACHED BACK TO A POINT AFT OF THE LAST PAX WINDOW. THE FLC DECLARED AN EMER AND REQUESTED A DIVERSION TO LAX FROM SNA DEP CTL. THE FO SAID THAT THEY DECIDED TO GO TO LAX BECAUSE THEY COULD SEE IT AND THE RWYS WERE LONGER AND THEY HAD MORE CONFIDENCE IN THE CFR TEAMS THERE. AFTER COMPLETING THEIR ENG COMPRESSOR STALL CHKLIST THEY DECIDED TO SHUT DOWN THE ENG BECAUSE THE EGT HAD STARTED TO RISE. THE REMAINDER OF THE FLT ON 1 ENG WAS AS EXPECTED. AFTER LNDG IN LAX THE RPTR SAID THAT THE FLC SAW DEBRIS IN THE TAIL PIPE. HE WAS NOT SURE OF THE SOURCE OF THE MATERIAL, BUT IT APPEARED TO BE DARK IN COLOR.
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.