# SDR BJNA201604250005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2016
- Submitted: April 25, 2016
- Operation: Air carrier
- Aircraft: [N148AS](https://openairdocs.org/aircraft/N148AS), registered now
- Make and model: Boeing 737-48E
- Registry model: [Boeing 737-48E](https://openairdocs.org/model/boeing-737-48e) (OpenAirDocs)
- Aircraft serial: 27149
- Aircraft time: 55,483 hours, 33,640 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 312
- Part time: 554,829 hours, 33,640 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/BJNA201604250005

## Discrepancy

ELECTRONIC EQUIPMENT COMPARTMENT AT BS 312, LBL 12, WL 199, THERE IS A CRACK 0.750 IN THE FRAME STRAP.   REMOVED ALL FASTENERS COMMON TO THE STRAP IAW SRM 51-40-02 AND 51-10-51, REPAIR 4, STOPPED DRILLED END OF CRACK 0.250, IAW SRM 53-10-51, FABRICATED REPAIR PLATE FROM 2024, T3, 0.040, PO AVIM16040400045 IAW SRM 53-10-51.  REPAIR 4 ALODINE AND PRIMED REPAIR PLATE IAW AMM 51-21-72 AND AMM 51-21-73. INSTALLED REPAIR PLATE IAW SRM 53-10-51 AND 51-40-02.  REPAIR DEMENTIONS 2.40" X 7.15".

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