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An A319 returned to the field with report no bleed air from #1 engine. Found incorrect valve rendered inoperative per the MEL. #1 high pressure bleed valve inoperative. Locked out low pressure bleed valve in error.
| Attributes | |
| ACN | 663055 |
| Time | |
| Date | 200506 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | A319 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Qualification | technician : airframe technician : powerplant |
| Experience | maintenance technician : 39 |
| ASRS Report | 663055 |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : non compliance with mel non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : #1 eng bleed indication other flight crewa other flight crewb |
| Resolutory Action | flight crew : diverted to another airport |
| Consequence | other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : testing performance deficiency : logbook entry performance deficiency : non compliance with legal requirements performance deficiency : inspection |
| Supplementary | |
| Problem Areas | Chart Or Publication Aircraft Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft arrived with a #1 high pressure valve inoperative. Confirmed valve closed. Placed the high pressure valve on MEL per maintenance control. Aircraft departed station and returned from flight with no low pressure bleed. Upon inspection; found the low pressure valve which sits next to high pressure to be secured closed. Secured proper valve; ran engine on ground -- all system checked as they should be.
Original NASA ASRS Text
Title: AN A319 RETURNED TO THE FIELD WITH RPT NO BLEED AIR FROM #1 ENG. FOUND INCORRECT VALVE RENDERED INOP PER THE MEL. #1 HIGH PRESSURE BLEED VALVE INOP. LOCKED OUT LOW PRESSURE BLEED VALVE IN ERROR.
Narrative: ACFT ARRIVED WITH A #1 HIGH PRESSURE VALVE INOP. CONFIRMED VALVE CLOSED. PLACED THE HIGH PRESSURE VALVE ON MEL PER MAINT CTL. ACFT DEPARTED STATION AND RETURNED FROM FLT WITH NO LOW PRESSURE BLEED. UPON INSPECTION; FOUND THE LOW PRESSURE VALVE WHICH SITS NEXT TO HIGH PRESSURE TO BE SECURED CLOSED. SECURED PROPER VALVE; RAN ENG ON GND -- ALL SYS CHKED AS THEY SHOULD BE.
Data retrieved from NASA's ASRS site as of January 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.