# SDR ASAA2016092918161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2016
- Submitted: October 3, 2016
- Operation: Air carrier
- Aircraft: [N514AS](https://openairdocs.org/aircraft/N514AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35193
- Aircraft time: 30,705 hours, 9,272 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Impeller
- Part number: 609891005
- Part serial: 070808647
- Condition: Vibration
- Location: Ctr Fuel Tank
- Part time: 30,728 hours, 9,284 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016092918161

## Discrepancy

LEFT CENTER TANK BOOST PUMP CREATES VIBRATION ON RUDDER PEDALS WHEN SELECTED ON.  ACFT GROUNDED. REMOVED AND REPLACED LEFT CENTER TANK BOOST PUMP IAW  AMM 28-22-41. DISCONNECTED POGO STICK. BUT DID NOT ADJUST AND REINSTALLED POGO STICK IAW AMM 28-22-41-400-801. PERFORMED GOOD OPS CHECK ON LEFT CENTER BOOST PUMP AND LEAK CHECK GOOD IAW AMM 28-22-41-710-801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.