# SDR IPXA2021121476935

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2021
- Submitted: December 16, 2021
- Operation: Air carrier
- Aircraft: [N275UP](https://openairdocs.org/aircraft/N275UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48774
- Aircraft time: 59,804 hours, 15,026 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: None
- Condition: None
- Location: Fuselage
- Stage of operation: TX
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021121476935

## Discrepancy

INSPECTION TYPE:N/A** SUPPLEMENTAL SDR **CRG FLO AFT DISAG. ITEM PLACED ON MEL 21-21-2. CONTROL # M766105 ASSIGNED, PLACARD INSTALLED.REPLACED MSC PER AMM 31-42-01, CHECKS GOOD. NO CRG FLO AFT DIASG ALERT SHONE DURING TESTING PER AMM 21-27-01 AND 21-27-02. PLACARD REMOVED, CLEARS M766105. DMP REVERSED.

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