# SDR UIEA2024082500845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2024
- Submitted: August 26, 2024
- Operation: Air carrier
- Aircraft: [N475MC](https://openairdocs.org/aircraft/N475MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29252
- Aircraft time: 100,035 hours, 18,640 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Part number: 79688060003
- Part serial: 02109273
- Condition: Abnormal
- Location: Cabin Temp
- Stage of operation: CR
- 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/UIEA2024082500845

## Discrepancy

PACK 3, 2 & 1 EICAS MSG. OPS OK ON CHANNEL A CONTROLLER(<P>R/R PACK TEMP B CONTROLLER & OPS CHECK OK IAW AMM 21-52-06. </P>)

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