# SDR AALA202007139001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2020
- Submitted: July 13, 2020
- Operation: Air carrier
- Aircraft: [N831NN](https://openairdocs.org/aircraft/N831NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33211
- Aircraft time: 31,655 hours, 12,953 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: 285A16006
- Condition: Unserviceable
- Location: Zone 100
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202007139001

## Discrepancy

AIRCRAFT GROUNDED, PSEU LIGHT AND ASSOCIATED TAKE-OFF CONFIGURATION WARNING, LOW SPEED REJECTED TAKE OFF AT 34KTS.  PROXIMITY SWITCH ELECTRONICS UNIT (PSEU) LIGHT SUBSEQUENTLY EXTINGUISHED AND DID NOT RETURN.  ACCOMPLISHED FIM TASK 32-09-00, REMOVED AND REPLACED PSEU (PROXIMITY SWITCH ELECTRONICS UNIT) PER JOB CARD 08L00032003, OPERATIONAL CHECK GOOD, NO FURTHER FAULTS NOTED.

---
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.