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A B727-200 was dispatched in non compliance with a flight control low pressure light inoperative and a hydraulic pump low pressure light inoperative in conflict with the MEL.
| Attributes | |
| ACN | 520462 |
| Time | |
| Date | 200108 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : fft.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B727-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | oversight : supervisor |
| Qualification | technician : airframe technician : powerplant |
| ASRS Report | 520462 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : non compliance with mel non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : flt ctl low press lites other flight crewa other flight crewb other other : person 3 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : manuals performance deficiency : logbook entry performance deficiency : repair |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Flight Crew Human Performance Maintenance Human Performance |
| Primary Problem | Chart Or Publication |
| Situations | |
| Publication | MINIMUM EQUIP LIST |
Narrative:
Flight crew contacted me en route to bna. They notified me that the #1 system 'a' hydraulic pump low pressure light was inoperative and that they were looking at MEL reference 29-00-xx and wanted to flight crew placard the item. I reviewed the MEL reference and issued them a control number. Later that day, I was contacted by flight crew in ZZZ in order to discuss MEL's being carried by aircraft. MEL 27-00-xy had been previously applied to aircraft and it did not allow any other hydraulic system malfunctions. This made the application of MEL 29-00-xx illegal. I notified ZZZ line maintenance and had the conflicting deferred item cleared. MEL 29-00-xx does not make reference to MEL 27-00-xy. I contacted our MEL group and asked them if a reference could be added in order to avoid future problems.
Original NASA ASRS Text
Title: A B727-200 WAS DISPATCHED IN NON COMPLIANCE WITH A FLT CTL LOW PRESSURE LIGHT INOP AND A HYD PUMP LOW PRESSURE LIGHT INOP IN CONFLICT WITH THE MEL.
Narrative: FLC CONTACTED ME ENRTE TO BNA. THEY NOTIFIED ME THAT THE #1 SYS 'A' HYD PUMP LOW PRESSURE LIGHT WAS INOP AND THAT THEY WERE LOOKING AT MEL REF 29-00-XX AND WANTED TO FLC PLACARD THE ITEM. I REVIEWED THE MEL REF AND ISSUED THEM A CTL NUMBER. LATER THAT DAY, I WAS CONTACTED BY FLC IN ZZZ IN ORDER TO DISCUSS MEL'S BEING CARRIED BY ACFT. MEL 27-00-XY HAD BEEN PREVIOUSLY APPLIED TO ACFT AND IT DID NOT ALLOW ANY OTHER HYD SYS MALFUNCTIONS. THIS MADE THE APPLICATION OF MEL 29-00-XX ILLEGAL. I NOTIFIED ZZZ LINE MAINT AND HAD THE CONFLICTING DEFERRED ITEM CLRED. MEL 29-00-XX DOES NOT MAKE REF TO MEL 27-00-XY. I CONTACTED OUR MEL GROUP AND ASKED THEM IF A REF COULD BE ADDED IN ORDER TO AVOID FUTURE PROBS.
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.