# SDR DALA1134866313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2011
- Submitted: May 17, 2011
- Operation: Air carrier
- Aircraft: N673US
- Make and model: Boeing 747451
- Aircraft serial: 30268
- Aircraft time: 51,270 hours, 6,487 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- Location: Rt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA1134866313

## Discrepancy

RIVETS (4 EA) WERE LOOSE ON L/E SURFACE OF RT WING WS 320 PER SRM 57-41-01 R5, REPAIRED THE SKIN PER NR-57-021, HT-AC-040, NR-57-019, HT-AC-022.  HEAT TREATMENT THE REPAIR  PARTS.

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