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A B737-300 had the left pack automatic temperature control deferred per the MEL. Maintenance controller gave incorrect reference for deferral.
| Attributes | |
| ACN | 722432 |
| Time | |
| Date | 200612 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | oversight : coordinator |
| ASRS Report | 722432 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | maintenance problem : non compliance with mel non adherence : far non adherence : published procedure aircraft equipment problem : less severe |
| Independent Detector | other other : 2 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
I was called to defer an automatic temperature controller which was wrote up as the l-hand side. I applied MEL X and should have applied MEL Y. This has the same restrs; just opposite sides with no airworthiness consideration.
Original NASA ASRS Text
Title: A B737-300 HAD THE L PACK AUTO TEMP CTL DEFERRED PER THE MEL. MAINT CTLR GAVE INCORRECT REF FOR DEFERRAL.
Narrative: I WAS CALLED TO DEFER AN AUTO TEMP CTLR WHICH WAS WROTE UP AS THE L-HAND SIDE. I APPLIED MEL X AND SHOULD HAVE APPLIED MEL Y. THIS HAS THE SAME RESTRS; JUST OPPOSITE SIDES WITH NO AIRWORTHINESS CONSIDERATION.
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.