# SDR IPXA2026032684640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2026
- Submitted: March 27, 2026
- Operation: Air carrier
- Aircraft: [N403UP](https://openairdocs.org/aircraft/N403UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23725
- Aircraft time: 39,660 hours, 27,330 cycles
- System (JASC): [3416 · Altimeter, Barometric/Encoder](https://openairdocs.org/jasc/3416)
- Part: Altimeter
- Part number: 8220334004
- Part serial: 107284
- Condition: Faulted
- Location: Zone 200
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2026032684640

## Discrepancy

DURING DESCEND GEAR NOT DOWN CONFIG LIGHT ON AFTER EXTENDING FLAPS GEAR NOT DOWN WARNING SOUNDED RR LEFT RADIO  ALTIMETER IAW B757AMM 33-01-404-005 OPS CHECK NORMAL

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