# SDR ASAA2022061938730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2022
- Submitted: June 22, 2022
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 57,995 hours, 17,100 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pump
- Part number: 609891005
- Part serial: 080607154
- Condition: Low Pressure
- Location: Center Wing Tank
- Part time: 57,993 hours, 17,099 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022061938730

## Discrepancy

APPROACHING ETOPS ENTRY AT 35,000 FEET "MASTER CAUTION-FUEL" ANNUNCIATOR ILLUMINATED ALONG WITH LEFT CENTER TANK "LOW PRESSURE" LIGHT. RAN 'FUEL PUMP LOW PRESSURE' CHECKLIST. OPENED CROSSFEED VALVE AND MOVED LEFT FUEL PUMP SWITCH TO OFF. GROUNDED - YES. AIR TURNBACK - TROUBLESHOT LH CENTER TANK BOOST PUMP. REMOVED AND REPLACED LH CENTER TANK BOOST PUMP PER B737-800 AMM 28-22-41-000-801, AND AMM 28-22-41-400-801. GROUND VERIFICATION CHECKS GOOD PER 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.