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A B737-200 in climb at 2000 ft had the master caution and bleed isolation lights illuminate. Maintenance control asked to pull and reset thrust reverser circuit breakers #1 and #2 for troubleshooting.
| Attributes | |
| ACN | 693972 |
| Time | |
| Date | 200604 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | msl single value : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zzz.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : initial |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 230 flight time total : 6800 flight time type : 4000 |
| ASRS Report | 693972 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | aircraft equipment other aircraft equipment : master caution other flight crewa other flight crewb |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other |
| Factors | |
| Maintenance | performance deficiency : fault isolation performance deficiency : non compliance with legal requirements |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft Chart Or Publication |
| Primary Problem | Aircraft |
| Situations | |
| Publication | Maint Procs |
Narrative:
At approximately 2000 ft the master caution light (overhead) along with the isolation valve lights came on. I (captain) was flying the aircraft and first officer ran through the QRH checklist. Maintenance was consulted and we returned to origin. This was a previous write-up which occurred a week prior. First officer was familiar with the prior write-ups as she was flying this aircraft when it happened before. Maintenance asked us to pull the 'thrust reverser 1 dc' and 'thrust reverser 2 dc' circuit breakers to help troubleshoot the system. I feel this is a dangerous solicitation and it should not be complied with in-flight.
Original NASA ASRS Text
Title: A B737-200 IN CLB AT 2000 FT HAD THE MASTER CAUTION AND BLEED ISOLATION LIGHTS ILLUMINATE. MAINT CTL ASKED TO PULL AND RESET THRUST REVERSER CIRCUIT BREAKERS #1 AND #2 FOR TROUBLESHOOTING.
Narrative: AT APPROX 2000 FT THE MASTER CAUTION LIGHT (OVERHEAD) ALONG WITH THE ISOLATION VALVE LIGHTS CAME ON. I (CAPT) WAS FLYING THE ACFT AND FO RAN THROUGH THE QRH CHKLIST. MAINT WAS CONSULTED AND WE RETURNED TO ORIGIN. THIS WAS A PREVIOUS WRITE-UP WHICH OCCURRED A WK PRIOR. FO WAS FAMILIAR WITH THE PRIOR WRITE-UPS AS SHE WAS FLYING THIS ACFT WHEN IT HAPPENED BEFORE. MAINT ASKED US TO PULL THE 'THRUST REVERSER 1 DC' AND 'THRUST REVERSER 2 DC' CIRCUIT BREAKERS TO HELP TROUBLESHOOT THE SYS. I FEEL THIS IS A DANGEROUS SOLICITATION AND IT SHOULD NOT BE COMPLIED WITH INFLT.
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.