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A maintenance controller deferred an EMB145 lavatory light using chapter 38 water waste as reference. Correct reference is chapter 33 lighting.
| Attributes | |
| ACN | 650487 |
| Time | |
| Date | 200503 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | EMB ERJ 145 ER&LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | oversight : coordinator |
| ASRS Report | 650487 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : non compliance with mel non adherence : far non adherence : published procedure |
| Independent Detector | other other : 2 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other Other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : non compliance with legal requirements performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
Aircraft (tail) was in stn with the lavatory courtesy lights inoperative. The stn controller called me for an MEL and wanted to defer the system using 38-2. I issued the MEL after reading it. I did read it wrong and I also was thinking of the old revision where 38-2 was the correct MEL. The aircraft flew 24 hours with the wrong MEL.
Original NASA ASRS Text
Title: A MAINT CTLR DEFERRED AN EMB145 LAVATORY LIGHT USING CHAPTER 38 WATER WASTE AS REF. CORRECT REF IS CHAPTER 33 LIGHTING.
Narrative: ACFT (TAIL) WAS IN STN WITH THE LAVATORY COURTESY LIGHTS INOP. THE STN CTLR CALLED ME FOR AN MEL AND WANTED TO DEFER THE SYS USING 38-2. I ISSUED THE MEL AFTER READING IT. I DID READ IT WRONG AND I ALSO WAS THINKING OF THE OLD REVISION WHERE 38-2 WAS THE CORRECT MEL. THE ACFT FLEW 24 HRS WITH THE WRONG MEL.
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.