# SDR ASAA2023010741493

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2023
- Submitted: January 12, 2023
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 59,398 hours, 17,626 cycles
- Engine: Cfmint CFM567B262
- Engine time: 53,330 hours, 15,788 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Nozzle
- Condition: Damaged
- Location: Nr 1 Eng Hpt
- Stage of operation: IN
- How discovered: B
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023010741493

## Discrepancy

WHILE PERFORMING ASA T/C 78472020 ON THE #1 ENG NOTED A THROUGH HOLE IN THE HPT NOZZLE OUTER PLATFORM AT THE LEADING EDGE @ 7 O'CLOCK ALF TOTAL AREA OF THE HOLE IS 0.002. GROUNDED - YES. REMOVED ENGINE SN 896273. REF ASA SHOP W/O #1938400, ESN 896273.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
