# SDR AWXA0001923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2001
- Submitted: July 9, 2001
- Operation: Air carrier
- Aircraft: N904AW
- Make and model: Boeing 757-2S7
- Registry model: [Boeing 757-2S7](https://openairdocs.org/model/boeing-757-2s7) (OpenAirDocs)
- Aircraft serial: 23566
- Aircraft time: 61,213 hours, 23,756 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Pseu
- Part number: 841602
- Part serial: 328
- Condition: Unreliable
- Part time: 38,762 hours, 14,439 cycles
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA0001923

## Discrepancy

D: Phx- Air turnback - Flt 494 - Shortly after take off EICAS displayed Air/ Ground Disagree message, FRM code 32-09-03-00, and the aircraft returned to Phx. C: In Phx maitenance trouble shot and performed a bite test of the PSEU which showed no faults when faults should have existed. The PSEU was replaced. As a precaution both NLG not compressed sensors were replaced as well.Part name: Sensor(2ea)  MFG: ELDEC Corp. P/N:8-345-01 Part Loc: NLG Part condition: Good (Precautionary)

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