# SDR AALA202602136853

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2026
- Submitted: February 14, 2026
- Operation: Air carrier
- Aircraft: [N987AN](https://openairdocs.org/aircraft/N987AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31069
- Aircraft time: 49,601 hours, 21,195 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Pressure Switch
- Part number: ASP4560
- Condition: Intermittent
- Location: Zone 600
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202602136853

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: RIGHT FUEL TANK AFT LOW PRESSURE LIGHT STARTED TO FLICKER ON AND OFF DURING CRUISE. VERIFIED RIGHT TANK AFT BOOST PUMP INTERMITTENT. REMOVED AND REPLACED RIGHT FUEL BOOST PUMP PRESSURE SWITCH. PER AMM 28-42-11, NO LEAKS OR FLICKERING INDICATION NOTICED, OPS CHECK GOOD AT THIS TIME.

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