# SDR DXTA2021112452470

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2021
- Submitted: November 29, 2021
- Operation: Air carrier
- Aircraft: [N112QS](https://openairdocs.org/aircraft/N112QS), registered now
- Aircraft serial: 9710
- Aircraft time: 5,520 hours, 2,444 cycles
- System (JASC): [2844 · Fuel Pressure Indicator](https://openairdocs.org/jasc/2844)
- Part: Pressure Switch
- Part number: 21SN04433
- Part serial: R041930
- Condition: Abnormal
- Location: Zone 100
- Stage of operation: TO
- How discovered: L
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021112452470

## Discrepancy

L FUEL LO PRESS AMBER CAS: AFTER APPLYING TAKEOFF POWER L LOW FUEL PRESSURE AMBER  MESSAGE ILLUMINATED.  DISCONTINUED TAKEOFF AND RETURNED TO RAMP. // SIGNOFF// SWAPPED LH AND RH ENGINE FUEL LOW PRESSURE SWITCHES. FAULT FOLLOWED FROM LH ENGINE TO RH ENGINE. REINSTALLED ORIGINAL RH PRESSURE SWITCH ON RH ENGINE. LH ENGINE FUEL PRESSURE SWITCH ON ORDER WITH
NELJETS MAINT CONTROL IAW RR BR700-710A2·20 EMM 73-33-01-000-801 REMOVED LEFT ENGINE RJEL LOW PRESSURE SWITCH FOR L FUEL LO PRESS AMBER CAS MESSAGE, INSTALLED INSPECTED UNIT IAW RR BR700:.710A2-20 EMM 73-33-01·000-801·A02/400-801-A02. OPERATIONAL AND LEAK CHECKS GOOD P/N OFF 21SN04-433 5/N R041930 PIN ON 2:LSN04-433 S/N W045918

---
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.
