# SDR CALA2026031114508

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2026
- Submitted: March 11, 2026
- Operation: Air carrier
- Aircraft: [N29971](https://openairdocs.org/aircraft/N29971), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 60147
- Aircraft time: 39,041 hours, 3,712 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Acoustic Liner
- Condition: Damaged
- Location: Zone 400
- 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/CALA2026031114508

## Discrepancy

ON WALKAROUND FOUND DAMAGE TO NR 2 ENGINE ACOUSTIC LINER BETWEEN 2 AND 3 O CLOCK POSITION.  REMOVED FAN CASE OGV FAIRING PER AMM 72-21-03. REQUIRES INSTALLATION OF THREE OGV FAIRING ASSMEBLY PANELS. SEE PICTURES BELOW. INSTALLED OGV FAIRINGS AT POSITION 8 AND 9 AS VIEWED FROM REAR OF ENGINE LOOKING FORWARD PER AMM 72-21-03-01A-720A-A INSTALLED OGV FAIRING AT POSITION 5 AS VIEWED FROM REAR OF ENGINE LOOKING FORWARD PER AMM 72-21-03-01A-720A-A.

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