# SDR DALA2026052403141

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2026
- Submitted: May 25, 2026
- Operation: Air carrier
- Aircraft: [N351NW](https://openairdocs.org/aircraft/N351NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 766
- Aircraft time: 81,652 hours, 38,567 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- 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/DALA2026052403141

## Discrepancy

LEVEL 2 CORROSION, LOWER FUSELAGE, FWD CARGO COMPARTMENT, AT FR.32+75MM, STR.40LH WITH CORROSION.  REPAIRED STRINGER 40L, SECTION BETWEEN FR 31 +215MM AND FR 32 + 305MM IAW SRM 53-21-13-300-018, PARAG 1, PARAG 2A, FIGURE 001. THIS TASK IS CATEGORY B REPAIR AND MUST BE INSPECTED IAW SRM SRI 53-21-13-205-018 PARAG 2A TABLE 001. INSPECTION THRESHOLD FROM TIME OF REPAIR EMBODIMENT: 60000 FC / 120000FH. SUBSEQUENT INSPECTION AT INTERVALS OF TBD. INSPECTION METHOD TBD. TBD IN CASE OF AIRCRAFT LIFE EXTENSION BEYOND 60000 FC/120000 FH. S.R.M REV 157:00 DATED 15 APR 26. (LP: 1608688) AIRCRAFT WAS GROUNDED

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