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Despite the conjoined efforts of the B737 flight crew; dispatch and maintenance control the procedure utilized to correct a left pack off light was apparently deemed inappropriate after the fact and the decision to fly the trip technically a violation.
| Attributes | |
| ACN | 1226560 |
| Time | |
| Date | 201411 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Air Conditioning and Pressurization Pack |
| Person 1 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 230 Flight Crew Total 20000 Flight Crew Type 13000 |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural MEL Deviation - Procedural Published Material / Policy Deviation - Procedural Maintenance |
Narrative:
During taxi out the left pack light illuminated. Called tower and got out of line; set brakes and worked the problem. Read and did QRH selected warmer temp and trip reset switch pushed. The left pack light remained illuminated QRH says isolation valve switch close pack switch off. I called dispatch for a conference call with [maintenance control]. We walked thru [the associated procedure]. Push master caution light and observed that the aircond; master caution; and pack lights extinguished. We determined with dispatch; maintenance; capt and fo that we were good to takeoff. Arrived at [our destination] and recieved acars message from dispatch saying a safety report will be completed concerning the flight. Safety is my number one priority.
Original NASA ASRS Text
Title: Despite the conjoined efforts of the B737 flight crew; Dispatch and Maintenance Control the procedure utilized to correct a left pack off light was apparently deemed inappropriate after the fact and the decision to fly the trip technically a violation.
Narrative: During taxi out the left pack light illuminated. Called tower and got out of line; set brakes and worked the problem. Read and did QRH selected warmer temp and trip reset switch pushed. the left pack light remained illuminated QRH says Isolation valve switch close pack switch off. I called dispatch for a conference call with [Maintenance Control]. We walked thru [the associated procedure]. Push master caution light and observed that the aircond; master caution; and pack lights extinguished. We determined with dispatch; maintenance; capt and fo that we were good to takeoff. Arrived at [our destination] and recieved acars message from dispatch saying a safety report will be completed concerning the flight. Safety is my number one priority.
Data retrieved from NASA's ASRS site 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.