# SDR DALA2026071404139

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2026
- Submitted: July 15, 2026
- Operation: Air carrier
- Aircraft: [N550NW](https://openairdocs.org/aircraft/N550NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26497
- Aircraft time: 65,395 hours, 28,261 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Drag Fitting
- Condition: Corroded
- 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/DALA2026071404139

## Discrepancy

IN REF CARD 5720-01100-02A STEP. 28, LT ENG DRAG FTG CLAMP, CORROSION POINTS ON FASTENER HOLE NR 2.  LEVEL 2 CORROSION ON FASTENER HOLE NR 2 WAS REAMED AT FINAL DIMENSION 0.5780 PER CARD 5720-01100-02A STEP 29. INSPECTION HFEC WAS ACCOMPLISHED, NO CRACKS WERE FOUND AFTER REWORKED IAW AMDS 5720-01100-02A STEP 30 AND IAW NDT MANUAL PART 6, 51-00-16. (LP 1697830 - AIRCRAFT WAS GROUNDED).

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