# SDR AALA20030559

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 11, 2003
- Submitted: September 5, 2003
- Operation: Air carrier
- Aircraft: [N438AA](https://openairdocs.org/aircraft/N438AA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49456
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Clamp
- Condition: Defective
- Location: A/C Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20030559

## Discrepancy

DFW - FLT 1035 - EN ROUTE DFW-AUS - MASTER WARNING AND ASSOCIATED TAIL COMPARTMENT TEMPERATURE HIGH LIGHT ILLUMINATED.  DID IMMEDIATE ACTION ITEMS AND LIGHT EXTINGUISHED WHEN AIR CONDITIONING SUPPLY SWITCHES MOVED TO HIGH PRESSURE BLEED OFF.  RETURNED AND LANDED DFW WITHOUT INCIDENT.  INSTALLED NEW HEAT EXCHANGER CLAMP.  LEAK CHECKED GOOD.  SYSTEM GROUND CHECKED NORMAL OPERATION.  (M)

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