# SDR ZW0A0211002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2002
- Submitted: November 1, 2002
- Operation: Air carrier
- Aircraft: [N980TW](https://openairdocs.org/aircraft/N980TW), 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: 53630
- Aircraft time: 8,063 hours, 4,422 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Condition: Worn
- Location: Heat Exchanger
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ZW0A0211002

## Discrepancy

DURING CHECK-C MAINT THE FUSELAGE LT SIDE OVERBOARD DUCT FOR THE HEAT EXCHANGER WAS WORN THIN.  REPAIRED DAMAGE PER SSRM 53-30-101 PAGE 202.  REPAIRED AND REPLACED DUCT PER SPM 6-70-01.

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