# SDR Z6WR20160621001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2016
- Submitted: June 21, 2016
- Operation: General aviation
- Filed by: [Spirit Aerosystems Inc, repair station Z6WR336Y](https://openairdocs.org/faa-repair-station/Z6WR336Y/spirit-aerosystems-inc.md) (OpenAirDocs)
- Aircraft: [N75429](https://openairdocs.org/aircraft/N75429), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 30130
- Aircraft time: 25,468 hours, 8,519 cycles
- Engine: Cfmint CFM567B263
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Panel
- Part number: 315A2101177
- Condition: Delaminated
- Location: Thrust Reverser
- Part time: 25,468 hours, 8,519 cycles
- Component: Thrust Reverser, Boeing, 737900ER
- Component part number: 315A2295235
- 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/Z6WR20160621001

## Discrepancy

UPON REMOVAL OF THE 315A2130 BLANKET INSTALLATION, VISUAL AND ULTRASONIC INSPECTION OF THE 315A2101-177 BONDED PANEL ASSEMBLY, CMM 78-31-26, FIG 6, ITEM 40A, REVEALED 6 AREAS OF THERMAL DEGRADATION RESULTING IN DELAMINATION C/T THE-177 BONDED PANEL ASSEMBLY.  VISUAL INSPECTION ALSO NOTES THE 315A2137-1, COOLING VENT BUSHING INBD END IS BLOCKED 50 PERCENT.  A .155 DOWEL INSERTED INTO 1 VENT EXTERIOR AIRSTREAM SIDE PENETRATES 1.15, SHOULD HAVE 1.75-1.95 PENETRATION.

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