# SDR ASAA2023060443688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2023
- Submitted: June 27, 2023
- Operation: Air carrier
- Aircraft: [N971AK](https://openairdocs.org/aircraft/N971AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43339
- Aircraft time: 5,282 hours, 1,506 cycles
- System (JASC): [7220 · Turbine Engine Air Inlet Section](https://openairdocs.org/jasc/7220)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/ASAA2023060443688

## Discrepancy

ON ENGINE #1 CRACK FOUND IN ABRADABLE SHROUD AT 9 O'CLOCK POSTION. GROUNDED - YES. ON DEFERRAL. CRACK FOUND TO BE WITHIN DEFERRABLE LIMITS A/C RELEASED FOR SERVICE WITHIN 100 CYCLES PERFORM TAP TEST INSPECTION AT CRACKS LOCATION REF: AMM 72-21-00-200-802-G00 (2)(G)(7) "AXIAL CRACK ON ABRADABLE" SEAMC PETER NOTIFIED C/N 04007971

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