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A B737-300 was dispatched in non compliance with the first officer unable to transmit on #1, #2 VHF communication, PA or interphone, and deferred in conflict with the MEL.
| Attributes | |
| ACN | 541980 |
| Time | |
| Date | 200203 |
| Day | Thu |
| 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 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : parked ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 12550 flight time type : 7500 |
| ASRS Report | 541980 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 210 flight time total : 6430 flight time type : 3430 |
| ASRS Report | 541981 |
| Events | |
| Anomaly | aircraft equipment problem : critical 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 : anomaly accepted |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : schedule pressure contributing factor : non availability of parts performance deficiency : non compliance with legal requirements performance deficiency : logbook entry |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Flight Crew Human Performance Company Aircraft |
| Primary Problem | Flight Crew Human Performance |
Narrative:
During his preflight the first officer discovered that he could not transmit at all. Not on communications #1 or #2 or PA's -- nothing. We had contract maintenance come to the aircraft, but after about 40 mins still did not have the problem fixed. Over the phone, maintenance had us defer VHF communication #2 using MEL 23-3 and continue to ZZZ1. En route, we read more carefully and realized that the MEL we used did not address the real problem. The audio panel on the first officer's side was not deferrable in the MEL's.
Original NASA ASRS Text
Title: A B737-300 WAS DISPATCHED IN NON COMPLIANCE WITH THE FO UNABLE TO XMIT ON #1, #2 VHF COM, PA OR INTERPHONE, AND DEFERRED IN CONFLICT WITH THE MEL.
Narrative: DURING HIS PREFLT THE FO DISCOVERED THAT HE COULD NOT XMIT AT ALL. NOT ON COMS #1 OR #2 OR PA'S -- NOTHING. WE HAD CONTRACT MAINT COME TO THE ACFT, BUT AFTER ABOUT 40 MINS STILL DID NOT HAVE THE PROB FIXED. OVER THE PHONE, MAINT HAD US DEFER VHF COM #2 USING MEL 23-3 AND CONTINUE TO ZZZ1. ENRTE, WE READ MORE CAREFULLY AND REALIZED THAT THE MEL WE USED DID NOT ADDRESS THE REAL PROB. THE AUDIO PANEL ON THE FO'S SIDE WAS NOT DEFERRABLE IN THE MEL'S.
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.