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DC9 dispatcher was notified by the captain that mixed power engines were installed on the aircraft, and were not listed on the dispatch release.
| Attributes | |
| ACN | 559406 |
| Time | |
| Date | 200209 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : dtw.airport |
| State Reference | MI |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | other personnel |
| ASRS Report | 559406 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 11000 flight time type : 3000 |
| ASRS Report | 559717 |
| Events | |
| Anomaly | other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | other |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : non availability of parts contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Company Maintenance Human Performance |
| Primary Problem | Company |
Narrative:
Captain sent an ACARS message stating that mixed engines were on the aft left engine -15 power/right engine -7 power. He stated that the logbook reflected the -7 power and that all paperwork and gauges, ie, EPR, were -7 pwred. No mixed engines showed up in the computer so maintenance control was called. ACARS message from captain at 11 mins prior to departure. Maintenance control has no engine intermix code for -15 power/-7 power amendment was made to the flight dispatch release. Flight proceeded to fnt and landed. Return flight stayed on the ground in fnt till paperwork on mixed engines had been corrected. Flight plan reflected 07 engines power. Maintenance did not properly identify the mixed engines as such in the computer system. Ensure that all mixed engines have proper coding prior to departing a maintenance station, and inform dispatchers when there are mixed engines that will be a possible problem.
Original NASA ASRS Text
Title: DC9 DISPATCHER WAS NOTIFIED BY THE CAPT THAT MIXED PWR ENGS WERE INSTALLED ON THE ACFT, AND WERE NOT LISTED ON THE DISPATCH RELEASE.
Narrative: CAPT SENT AN ACARS MESSAGE STATING THAT MIXED ENGS WERE ON THE AFT L ENG -15 PWR/R ENG -7 PWR. HE STATED THAT THE LOGBOOK REFLECTED THE -7 PWR AND THAT ALL PAPERWORK AND GAUGES, IE, EPR, WERE -7 PWRED. NO MIXED ENGS SHOWED UP IN THE COMPUTER SO MAINT CTL WAS CALLED. ACARS MESSAGE FROM CAPT AT 11 MINS PRIOR TO DEP. MAINT CTL HAS NO ENG INTERMIX CODE FOR -15 PWR/-7 PWR AMENDMENT WAS MADE TO THE FLT DISPATCH RELEASE. FLT PROCEEDED TO FNT AND LANDED. RETURN FLT STAYED ON THE GND IN FNT TILL PAPERWORK ON MIXED ENGS HAD BEEN CORRECTED. FLT PLAN REFLECTED 07 ENGS PWR. MAINT DID NOT PROPERLY IDENT THE MIXED ENGS AS SUCH IN THE COMPUTER SYS. ENSURE THAT ALL MIXED ENGS HAVE PROPER CODING PRIOR TO DEPARTING A MAINT STATION, AND INFORM DISPATCHERS WHEN THERE ARE MIXED ENGS THAT WILL BE A POSSIBLE PROB.
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.