# SDR DALA12000516305

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2012
- Submitted: May 31, 2012
- Operation: Air carrier
- Aircraft: [N665US](https://openairdocs.org/aircraft/N665US), registered now
- Make and model: Boeing 747451
- Aircraft serial: 23820
- Aircraft time: 96,421 hours, 12,004 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Frame
- Condition: Cracked
- Location: Bs 1000 Bulkhead
- 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/DALA12000516305

## Discrepancy

DURING INSPECTION FOUND CRACK (EXTERNAL) AT BS 1000 BULKHEAD FRAME AT STRINGER-38R.  MAINTENANCE REPLACED FRAME.

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