# SDR CKSA97239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N707CK](https://openairdocs.org/aircraft/N707CK), registered now
- Make and model: Boeing 747269B
- Aircraft serial: 21541
- System (JASC): [5412 · Nacelle/Pylon, Bulkhead/Firewall](https://openairdocs.org/jasc/5412)
- Part: Bulkhead
- Condition: Cracked
- Location: Nacelle
- 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/CKSA97239

## Discrepancy

DURING C-2 CHECK INSPECTION, FOUND NAC STA 222 BULKHEAD 'T' EXTRUSION AT NAC WL 181.6 OUTBOARD FORWARD FASTENER HOLE CRACKED FROM HOLE TO EDGE.  REPAIRED CRACK AT FORWARD FASTENER HOLE (7075-T6) IAW 54-11-03 FIGURE 8.  C-CHECK WORK CARD NUMBER 7TK7198.  NON-ROUTINE TASK CARD NUMBER 102152.

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