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A B737-300 was dispatched in non compliance with leading edge flap slat transit light indication inoperative and flight crew believes item incorrectly deferred.
| Attributes | |
| ACN | 493260 |
| Time | |
| Date | 200011 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : pdx.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 260 flight time total : 3300 flight time type : 620 |
| ASRS Report | 493260 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : non compliance with mel non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure performance deficiency : logbook entry performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance Company Maintenance Human Performance Chart Or Publication |
| Primary Problem | Maintenance Human Performance |
Narrative:
Interpretation on leading edge flap slat transit light indication/problem in dealing with MEL 27-4. We were given erroneous guidance by air carrier/maintenance control. Discussion with ZZZ chief pilot (assistant) about this MEL interpretation and discovered we may be in error on this MEL interpretation.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED IN NON COMPLIANCE WITH LEADING EDGE FLAP SLAT TRANSIT LIGHT INDICATION INOP AND FLC BELIEVES ITEM INCORRECTLY DEFERRED.
Narrative: INTERP ON LEADING EDGE FLAP SLAT TRANSIT LIGHT INDICATION/PROB IN DEALING WITH MEL 27-4. WE WERE GIVEN ERRONEOUS GUIDANCE BY ACR/MAINT CTL. DISCUSSION WITH ZZZ CHIEF PLT (ASSISTANT) ABOUT THIS MEL INTERP AND DISCOVERED WE MAY BE IN ERROR ON THIS MEL INTERP.
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.