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An A320 pilot reports that he believes fatigue contributed to maintenance control deferring the #1 engine idg fault light as inoperative; when in fact the #2 engine idg fault light was inoperative. Previous flight crews also missed item.
| Attributes | |
| ACN | 794743 |
| Time | |
| Date | 200807 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : abq.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Experience | flight time last 90 days : 200 flight time total : 9000 flight time type : 3300 |
| ASRS Report | 794743 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel maintenance problem : improper documentation maintenance problem : improper maintenance non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : briefing performance deficiency : non compliance with legal requirements performance deficiency : fault isolation performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Flight Crew Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
We had #2 generator fault light inoperative deferred per maintenance. The deferral used on the maintenance release was for #1 idg fault light. We noticed this and before we left the gate we called maintenance control and had them rectify the problem. The thing is how long had the deferral been wrong? Another sign of the fatigue that is engulfing this airline. How many crews had this write-up? How did maintenance keep this deferral going? Each mechanic who signed this aircraft off on the maintenance release was doing so illegally. Fatigue -- it is not only in the pilot ranks but maintenance too.
Original NASA ASRS Text
Title: AN A320 PILOT REPORTS THAT HE BELIEVES FATIGUE CONTRIBUTED TO MAINT CONTROL DEFERRING THE #1 ENG IDG FAULT LIGHT AS INOP; WHEN IN FACT THE #2 ENG IDG FAULT LIGHT WAS INOP. PREVIOUS FLT CREWS ALSO MISSED ITEM.
Narrative: WE HAD #2 GENERATOR FAULT LIGHT INOP DEFERRED PER MAINT. THE DEFERRAL USED ON THE MAINT RELEASE WAS FOR #1 IDG FAULT LIGHT. WE NOTICED THIS AND BEFORE WE LEFT THE GATE WE CALLED MAINT CTL AND HAD THEM RECTIFY THE PROB. THE THING IS HOW LONG HAD THE DEFERRAL BEEN WRONG? ANOTHER SIGN OF THE FATIGUE THAT IS ENGULFING THIS AIRLINE. HOW MANY CREWS HAD THIS WRITE-UP? HOW DID MAINT KEEP THIS DEFERRAL GOING? EACH MECH WHO SIGNED THIS ACFT OFF ON THE MAINT RELEASE WAS DOING SO ILLEGALLY. FATIGUE -- IT IS NOT ONLY IN THE PLT RANKS BUT MAINT TOO.
Data retrieved from NASA's ASRS site as of May 2009 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.