# SDR CALA2026063017466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N38955](https://openairdocs.org/aircraft/N38955), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 37814
- Aircraft time: 52,477 hours, 5,086 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Acoustic Liner
- Part number: 2322M56G02
- Condition: Missing
- Location: Zone 400
- Stage of operation: IN
- How discovered: V
- Nature of condition: D
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026063017466

## Discrepancy

DURING ENGINE NR 1 WASH NOTED FAN BOOSTER ACOUSTICAL PANEL BETWEN POSITION 4 O'CLOCK MISSING. CONFIRMED MISSING PANEL LINER ACOUSTIC . REMOVED AND INSTALLED FAN BOOSTER ACOUSTIC PANEL REF AMM DMC-B787-A-G72-22-04-00A-520A-A AND DMC-B787-A-G72-22-04-00A-720A-A, ACFT OK TO CONTINUE.

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