# SDR SWAA2021081081996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2020
- Submitted: August 10, 2021
- Operation: Air carrier
- Aircraft: N419WN
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29824
- Aircraft time: 62,206 hours, 36,633 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Damaged
- Location: Antenna
- 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/SWAA2021081081996

## Discrepancy

LT TWLU-S-BAND ANTENNA DOUBLER HAS MATERIAL LOSS AND ELONGATED HOLES. / UPON FURTHER INSPECTION OF THE DOUBLER AND FUSELAGE SKIN FOUND ONLY 2 EACH HOLES ELONGATED SLIGHTLY PER SRM 51-10-02. (FWD HOLE AND I/B MIDDLE HOLE) OVERSIZED TO 0.1875' PER SRM 51-40-02. REF TSR TRK# 20200010467. DOUBLER AND BLANKING PLATES INSTALLED PER SRM 51-40-02 AND M/M 20-50-11.

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