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Two mechanics report not resetting the circuit breakers for the fuel override jettison pumps and not performing a required fuel pump operational check. The B767-300 returned to field after takeoff with boost pump messages.
| Attributes | |
| ACN | 820102 |
| Time | |
| Date | 200901 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B767-300 and 300 ER |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Circuit Breaker / Fuse / Thermocouple |
| Person 1 | |
| Function | Technician |
| Person 2 | |
| Function | Technician |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural FAR Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
Cbs not reset after pumps removed and reinstalled. After takeoff; crew observed boost pump messages. Aircraft returned to field. No time to complete full check due to crew on board not wanting to interfere with crew pre-departure checks. Supplemental information from acn 820103: I received my work at the start of shirt. This included job cards to inspect the override/jettison pumps; lube the main landing gear pivot pins with high pressure grease as well as the lubing of the same areas with spray lube. After completing the lube jobs; I started the pump inspection by pulling cbs in the cockpit. After completion of the pump inspection; I returned to the hangar and signed off the work. Right after signing off the pump work; I realized that I didn't finish the last page of the maintenance manual. After reading the maintenance manual again; I then discovered that I hadn't performed an operational check of the pumps.
Original NASA ASRS Text
Title: Two Mechanics report not resetting the circuit breakers for the fuel override jettison pumps and not performing a required fuel pump operational check. The B767-300 returned to field after takeoff with boost pump messages.
Narrative: CBs not reset after pumps removed and reinstalled. After takeoff; crew observed boost pump messages. Aircraft returned to field. No time to complete full check due to crew on board not wanting to interfere with crew pre-departure checks. Supplemental information from ACN 820103: I received my work at the start of shirt. This included job cards to inspect the override/jettison pumps; lube the main landing gear pivot pins with high pressure grease as well as the lubing of the same areas with spray lube. After completing the lube jobs; I started the pump inspection by pulling CBs in the cockpit. After completion of the pump inspection; I returned to the hangar and signed off the work. Right after signing off the pump work; I realized that I didn't finish the last page of the Maintenance Manual. After reading the Maintenance Manual again; I then discovered that I hadn't performed an operational check of the pumps.
Data retrieved from NASA's ASRS site as of April 2012 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.