# SDR DU4R2020061000041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2020
- Submitted: June 10, 2020
- Operation: Air carrier
- Filed by: [AAR Aircraft Services, LLC, repair station DU4R141M](https://openairdocs.org/faa-repair-station/DU4R141M/aar-aircraft-services-llc.md) (OpenAirDocs)
- Aircraft: [N403YK](https://openairdocs.org/aircraft/N403YK), registered now
- Make and model: Boeing 737436
- Aircraft serial: 25842
- Aircraft time: 56,726 hours, 38,951 cycles
- System (JASC): [5743 · Wing, Landing Gear Attach Fittings](https://openairdocs.org/jasc/5743)
- Part: Fitting
- Part number: 65C3271614
- Condition: Cracked
- Location: Lt Mlg
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DU4R2020061000041

## Discrepancy

AD 2018-09-13(H): TABLE 8/OPTION 1: SERVICE BULLETIN 737-57A1318, R1, PARA 3B PART 3A1, LEFT MLG FORWARD SUPPORT FITTING, AFT SUPPORT FITTING, REAR SPAR UPPER CHORD AND REAR SPAR WEB HOLE 5 IS CRACKED IN THE AFT FITTING AT 600 AND IN THE WEN AT 1:00.

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