# SDR 97ZZZX3955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 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: Bs 248
- 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/97ZZZX3955

## Discrepancy

DURING SERVICE CHECK AT ANC, A CRACK WAS DISCOVERED IN LWS 248 DOUBLER AT NR 4 PLANK.  CRACK RUNS FORWARD .20 INCH AND AFT .075 INCH FROM FASTENER HOLE.  REMOVED CRACK PER LAC SRM 57-2-1, PAGE 41.  DEFECT CONSIDERED NEGLIGIBLE DAMAGE AFTER CLEAN UP, SEALED AREA PER LAC SRM 51-2-16.

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