# SDR DALA2023040202510

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2023
- Submitted: April 2, 2023
- Operation: Air carrier
- Aircraft: [N571DZ](https://openairdocs.org/aircraft/N571DZ), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0064
- Aircraft time: 14,648 hours, 3,114 cycles
- System (JASC): [5714 · Wing, Center Box](https://openairdocs.org/jasc/5714)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023040202510

## Discrepancy

AIRRAFT 3571, FASTERNER HOLE AT LOCATION FOUND WITH ITS DIAMETER OUT OF TOLORANCE, DIAMETER FOUND: 0.3900 INCH. CORRECTIVE ACTION: REAM HOLE F358 BETWEEN Ø 9.911MM - Ø 9.962MM, PERFORM ROTO-PROBE INSPECTION TO CONFIRM HOLE F358 IS FREE OF CRACKS, INSTALL NEW FASTENER AND ENSURE THE SEALANT AND PROTECTIVE COATING (FIG. 2) ARE APPLIED PER EM 5716-01020-06C. (LP 2696658)

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