# SDR ASAA2021052634936

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2021
- Submitted: May 28, 2021
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 53,956 hours, 15,808 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Acoustic Panel
- Part number: 3400825010
- Condition: Delaminated
- Location: Nr 1 Nacelle
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021052634936

## Discrepancy

#1 ENG 4 O'CLOCK ALF. ACOUSTICAL PANEL HAS DELAM APPROX. 6"X6". GROUNDED - YES. REMOVED AND REPLACED #1 ENG 4 O'CLOCK AFT ACOUSTICAL PANEL REF B737-800 AMM 72-23-02.

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