# SDR ASAA0380359

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2003
- Submitted: March 11, 2004
- Operation: Air carrier
- Aircraft: N947AS
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53020
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Plenum
- Part number: 5910090137
- Condition: Worn
- Location: Rt Heat Exchange
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0380359

## Discrepancy

OAK - DURING 15K CHECK, FOUND RIGHT HEAT EXCHANGER PLENUM AREA WORN THROUGH DUE TO RUBBING ON EXIT DUCT.  CUT OUT DAMAGED AREA AND WELDED IN A DOUBLER PER DRS 10.225.  (M)

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