# SDR Z6WR20131015001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2013
- Submitted: October 15, 2013
- Operation: Air carrier
- Filed by: [Spirit Aerosystems Inc, repair station Z6WR336Y](https://openairdocs.org/faa-repair-station/Z6WR336Y/spirit-aerosystems-inc.md) (OpenAirDocs)
- Aircraft: [N27213](https://openairdocs.org/aircraft/N27213), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28773
- Aircraft time: 49,187 hours, 17,129 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Acoustic Panel
- Part number: 315A2502101
- Condition: Debonded
- Location: Thrust Reverser
- Part time: 49,187 hours, 17,129 cycles
- Component: Thrust Reverser, Boeing, 737800
- Component part number: 315A229593
- 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/Z6WR20131015001

## Discrepancy

IAW CMM 78-31-24 FIG 3 ITEM 670A.  THE 315A2502-101 BOND PANEL, ACOUSTIC, HAS NUMEROUS AREAS OF DELAMINATION THAT MEASURES 75.0" X 57.0".  ULTRASONIC INSPECTION IAW NDT MANUAL REVEALS SEVERAL AREAS OF DISBOND COMMON TO THE PERF SKIN.  SUSPECT IMPROPER PERF SKIN PREPARATION DURING ORIGINAL BUILD.





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