# SDR 33AY2016FA0000379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 15, 2016
- Submitted: August 18, 2016
- Operation: General aviation
- Aircraft: [N306AL](https://openairdocs.org/aircraft/N306AL), registered now
- Make and model: Boeing 737-2T4C
- Registry model: [Boeing 737-2T4C](https://openairdocs.org/model/boeing-737-2t4c) (OpenAirDocs)
- Aircraft serial: 23066
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: 654549611
- Condition: Corroded
- Location: Lt Wing
- Part time: 49,459 hours
- 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/33AY2016FA0000379

## Discrepancy

AIRCRAFT WAS UNDERGOING C1 CHECK, DURING INSPECTION IAW MFG CARD 57-800-01-01, FOUND CORROSION AT LT LOWER WING SKIN BETWEEN WBL 292-WBL 332 AT T/E NEAR THE REAR SPAR.  BLENDED OUT OF THE CORROSION HAS CREATED DAMAGE OUT OF SRM LIMITS.  THERE IS NOT A APPLICABLE SRM REPAIR FOR THIS LOCATION.  MFG  PRODUCES DOCUMENT 121083-R046 PROVIDES INSTRUCTION TO REPAIR THE SUBJECT DAMAGE.  THE RECIRTIFICATION WAS ACCOMPLISHED IAW IAW MFG DOCUMENT 121083-R046.

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