# SDR 97ZZZX3950

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N287F
- Make and model: Lkheed 188C
- Aircraft serial: 1148
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Doubler
- Condition: Cracked
- Location: Ws 240
- 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/97ZZZX3950

## Discrepancy

DURING SERVICE CHECK INSPECTION AT ANC, A LEAP DOUBLER CRACK WAS DISCOVERED AT WS 240R.  CRACK LENGTH WAS 1.3 INCHES; AN ADDITIONAL CRACK WAS DISCOVERED AT RWS 241.75, .50 INCH LENGTH.  REPAIRED BY PATCHING PER LAC SRM CHAPTER 57-2-1, PAGE 43.  SEALED AREA PER SRM 51-2-16.

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