# SDR DALA1201726303

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2012
- Submitted: February 13, 2012
- Operation: Air carrier
- Aircraft: N663US
- Make and model: Boeing 747451
- Aircraft serial: 23818
- Aircraft time: 6,465 hours, 812 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Condition: Cracked
- Location: Bs 1180
- 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/DALA1201726303

## Discrepancy

FOUND CRACK ON MAIN DECK OVERWING INTERCOSTAL WEB BS 1180 L=.5  RBL 99-120.  REPAIRED CRACKED REVEAL PER SRM 53-60-15

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