# SDR ASAA2022073039302

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2022
- Submitted: August 3, 2022
- Operation: Air carrier
- Aircraft: [N592AS](https://openairdocs.org/aircraft/N592AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35190
- Aircraft time: 52,558 hours, 15,543 cycles
- System (JASC): [2810 · Fuel Storage](https://openairdocs.org/jasc/2810)
- Part: Switch
- Part number: 21C1321
- Condition: Faulty
- Location: R Wing Rear Spar
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022073039302

## Discrepancy

NUMBER 2 RIGHT AFT FUEL PUMP LOW PRESSURE LIGHT ILLUMINATED INTERMITTANTLY. ONCE ON WOULD REMAIN ON UNLESS SWITCH CYCLED OFF THEN BACK ON AFTER A MINUTE. GROUNDED - YES. REMOVED AND REPLACED R/H AFT FUEL BOOST PUMP PRESSURE SWITCH. REF  IAW B737-800 AMM 28-42-11-420-801.

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