# SDR UIEA2023063000675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2023
- Submitted: August 14, 2023
- Operation: Air carrier
- Aircraft: [N5179A](https://openairdocs.org/aircraft/N5179A), registered now
- Make and model: Boeing 737-83N
- Registry model: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (OpenAirDocs)
- Aircraft serial: 32614
- Aircraft time: 53,088 hours, 36,759 cycles
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Radio Altimeter
- Part number: 8220334002
- Part serial: 16L9C3
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023063000675

## Discrepancy

NAVIGATION - RADIO ALTIMETER SYSTEM - INSTALLATION OF COLLINS LRA-900 LOW RANGE RADIO ALTIMETERS - STC ST02002WI - AD 2021-23-12 IAW ATLAS AIR EO 3834A029 REV.0, PARTS 1.(<P>PERFORMED NAVIGATION - RADIO ALTIMETER SYSTEM - INSTALLATION OF COLLINS LRA-900 LOW RANGE RADIO ALTIMETERS - STC ST02002WI - AD 2021-23-12 IAW ATLAS AIR EO 3834A029 REV. 0, PARTS 1. SATISFACTORY CONDITION. SN: 16L9C3, 168C3D, 1R12D & 4802YM. PN: 822-0334-002 & 822-0334-004</P>)

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