 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
MEL requirement -- an air carrier with a thrust reverser inoperative was required to pull and collar the control circuit breaker. Someone pulled and collared the wrong circuit breaker.
| Attributes | |
| ACN | 308285 |
| Time | |
| Date | 199506 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : clt |
| State Reference | NC |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Aircraft 1 | |
| Controlling Facilities | tower : iah |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 58 flight time total : 5200 flight time type : 1010 |
| ASRS Report | 308285 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure non adherence : far other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
There was a MEL on the aircraft for a thrust reverser inoperative. The circuit breaker was collared (or so we thought). It turns out that circuit breaker under the 'correct one' was actually the one collared. We did not learn of this until a couple of days later when someone caught it.
Original NASA ASRS Text
Title: MEL REQUIREMENT -- AN ACR WITH A THRUST REVERSER INOP WAS REQUIRED TO PULL AND COLLAR THE CTL CIRCUIT BREAKER. SOMEONE PULLED AND COLLARED THE WRONG CIRCUIT BREAKER.
Narrative: THERE WAS A MEL ON THE ACFT FOR A THRUST REVERSER INOP. THE CIRCUIT BREAKER WAS COLLARED (OR SO WE THOUGHT). IT TURNS OUT THAT CIRCUIT BREAKER UNDER THE 'CORRECT ONE' WAS ACTUALLY THE ONE COLLARED. WE DID NOT LEARN OF THIS UNTIL A COUPLE OF DAYS LATER WHEN SOMEONE CAUGHT IT.
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.