# SDR EE4Y2018041806376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2018
- Submitted: April 18, 2018
- Operation: Air carrier
- Aircraft: N306GT
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 27157
- Aircraft time: 53,992 hours, 29,261 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Attach Fitting
- Condition: Corroded
- Location: Bs 560-663
- 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/EE4Y2018041806376

## Discrepancy

DURING AN INSPECTION OF THE A/C BAY AREA,  FOUND AT LT PRIMARY AND SECONDARY HEAT EXCHANGERS AREA, THE ATTACHING FRAME WITH SEVERAL POINTS OF CORROSION. THE DAMAGED AREA WAS REPAIRED IAW SR 4-3996015419.

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