# SDR Z6WR201207240013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2012
- Submitted: July 24, 2012
- Operation: Air carrier
- Filed by: [Spirit Aerosystems Inc, repair station Z6WR336Y](https://openairdocs.org/faa-repair-station/Z6WR336Y/spirit-aerosystems-inc.md) (OpenAirDocs)
- Aircraft: N713SW
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27847
- Aircraft time: 50,474 hours, 30,011 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Panel
- Part number: 315A2502101
- Condition: Delaminated
- Location: Thrust Reverser
- Part time: 50,474 hours, 30,011 cycles
- Component: Thrust Reverser, Boeing, 737700
- Component part number: 315A229593
- Stage of operation: IN
- How discovered: U
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Z6WR201207240013

## Discrepancy

REF CMM 78-31-24, REV 24, 01JUL2012, FIGURE 3, ITEM 670.  ULTRASONIC INSPECTION PER NDT MANUAL REVEALS SEVERAL AREAS OF DISBOND THROUGHOUT THE ENTIRE NOZZLE END OF THE 315A2502-101 BOND PANEL ASSEMBLY.  AREA MEASURES 19.0 X 71.0".  AN APPROX 6X6 REPRESENTATIVE SAMPLE HAS BEEN REMOVED FROM THE 315A2502-101 BOND PANEL.  VISUAL INSPECTION REVEALS THAT THE PERFORATED FACE SHEET OML SURFACE APPEARS TO NOT HAVE BEEN PROPERLY PREPARED PRIOR TO ORIGINAL BONDING.

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