# SDR TSAA9753344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N70723](https://openairdocs.org/aircraft/N70723), registered now
- Make and model: Boeing 737297
- Aircraft serial: 21739
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Chord
- Condition: Corroded
- Location: Bs 610
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA9753344

## Discrepancy

DURING A CPC PHASE 1 CHECK, CORROSION WAS FOUND AROUND THE RT PRIMARY AND SECONDARY HEAT EXCHANGER INLETS.  STA 610 BL 41.0 RT CHORD WAS REPLACED.  AIRCRAFT RETURNED TO SERVICE.  TAT:  35,731:16 HOURS.  TAC:  71,569.  (X)

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