# SDR DALA2026070303902

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2026
- Submitted: July 4, 2026
- Operation: Air carrier
- Aircraft: [N801NW](https://openairdocs.org/aircraft/N801NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0524
- Aircraft time: 98,024 hours, 12,817 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Zone 100
- 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/DALA2026070303902

## Discrepancy

AIRCRAFT 3301, FOUND CORROSION LEVEL 2 ON LOWER FUSELAGE SKIN NEAR BTW FRAME 76 TO FRAME 77 AND BTW STR 40L TO 41L LOWER FUSELAGE CORRECTIVE ACTION: CORROSION REMOVED BY BLEND OUT, THE REWORKED AREA MEASURED AND EVALUATED: THE REMAIN THICKNESS IS 1.60MM<1.80MM, FOUND OUT OF LIMITS, CUT THE DAMAGED SKIN AREA, DO THE EXTERNAL DOUBLER REPAIR BETWEEN FR76 AND FR77 AS PER A330 SRM53-41-11-300-022 REV 129.00. (LP 1679379 - AIRCRAFT WAS GROUNDED)

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