# SDR SWAA2021081022203

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 5, 2020
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: N711HK
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 27845
- Aircraft time: 75,991 hours, 45,820 cycles
- System (JASC): [5340 · Fuselage Main, Attach Fittings](https://openairdocs.org/jasc/5340)
- Part: Nut Plate
- Condition: Corroded
- Location: Antenna Tray
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021081022203

## Discrepancy

FCB; ANTENNA TRAY MOUNT HAS CORROSION AROUND NUT PLATES BETWEEN BS500A AND BS500B BL0 WL148 / EVALUATED CORROSION TRAY FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IN SRM REMOVED FCB ANTENNA TRAY MOUNT BETWEEN BS500A AND BS500B; BL0 PER SRM 51-40-02 ALL OTHER WORK WILL BE ACCOMPLISHED ON CUST.CARD# U133888 NO FURTHER ACTION REQUIRED ON THIS CARD

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