# SDR BJNA201604240009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2016
- Submitted: May 17, 2016
- Operation: Air carrier
- Aircraft: [N134AS](https://openairdocs.org/aircraft/N134AS), registered now
- Make and model: Boeing 737-400
- Registry model: [Boeing 737-400](https://openairdocs.org/model/boeing-737-400) (OpenAirDocs)
- Aircraft serial: 25314
- Aircraft time: 56,044 hours, 25,711 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Bs 727d
- Part time: 56,044 hours, 25,711 cycles
- 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/BJNA201604240009

## Discrepancy

FUSELAGE SKIN HAS A 1.25" CRACK UNDER THE NR 3 VHF ANTENNA.  FOUND WHILE ACCOMPLISHING HFEC INSPECTION AT BS 727D, LBL1-RBL1. WL.148.  REMOVED ALL FASTNERS COMMON TO SB B737-53-1287.  FABRICATED REPAIR DOUBLER AND TRIPLER FROM 2024-T3 0.071 PO AVIM15101500030 AND A 2024-T3 FILLER FROM 0.063, PO AVIA15062400021 IAW SB 737-53-1287, FIG 20. CUT OUT CRACKED CONDITION AND PREFORMED A HFEC INSPECTION IAW SB 737-53-1287 AND DWG 65C37049-3 FABRICATED, LOCATED, DRILLED AND DEBURRED ALL REPAIR PARTS IAW SB 737-53-1287 AND DWG 65C37049-3.  ALODINE AND PRIMED REPAIR PARTS IAW SRM 51-20-01.  INSTALLED REPAIR IAW SB 737-53-1287 DWG 65C37049-3AND SRM 51-40-02.

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