# SDR FDEA2020050860906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2020
- Submitted: May 8, 2020
- Operation: Air carrier
- Aircraft: [N321FE](https://openairdocs.org/aircraft/N321FE), registered now
- Make and model: Doug MD-10-30F
- Registry model: [Doug MD-10-30F](https://openairdocs.org/model/mcdonnell-douglas-md-10-30f) (OpenAirDocs)
- Aircraft serial: 47836
- Aircraft time: 103,000 hours, 31,878 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Boot
- Condition: Defective
- Location: Ac Bay
- Stage of operation: DE
- 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/FDEA2020050860906

## Discrepancy

JUST AS BEGAIN DESCENT ONTO MEM RECEIVED LEVEL ONE  AIR SYST 3 OFF ALERT AT APPROX IMATELY FL370  ASSOCIATED RED MANF LT NEXT TO #3 BLEED ALSO  ILLUMINATED CORRESPONDING PNEUMATIC LINE FROM #3  BLEED TO #3 PACK REMAINED ILLUMINATED FOR  APPOXIMATELY 5=10 MINUTES.   REMOVED AND REPLACED AFT RUBBER BOOT AND CLAMPS BETWEEN HEAT EXCHANGER   AND ACM. REF M/M 21-53-02-2.LEAK CHECKS GOOD.

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