# SDR C1HA200781001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2007
- Submitted: September 21, 2007
- Operation: Air carrier
- Aircraft: [N681CA](https://openairdocs.org/aircraft/N681CA), registered now
- Make and model: Boeing 727-2S7
- Registry model: [Boeing 727-2S7](https://openairdocs.org/model/boeing-727-2s7) (OpenAirDocs)
- Aircraft serial: 22020
- Aircraft time: 71,710 hours, 37,390 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Skin
- Condition: Corroded
- Location: Center Wing
- 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/C1HA200781001

## Discrepancy

WING CENTER SECTION LWR SKIN CORROSION, LT PRIMARY HEAT EXCHANGER PLENUM AREA.  REMOVED CORROSION AND FOUND OUT OF LIMITS IAW B727 SRM 57-30-1 FIG 4.  REPAIRED IAW CHAMPION AIR, EO-727-5710-05.

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