# SDR AT9900148R1

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N737Q
- Make and model: Boeing 737-2L9
- Registry model: [Boeing 737-2L9](https://openairdocs.org/model/boeing-737-2l9) (OpenAirDocs)
- Aircraft serial: 21279
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support
- Condition: Corroded
- Location: Bs 279, 294, 312
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT9900148R1

## Discrepancy

SCHEDULED INSPECTION AT AERO CORP, FL, FOUND SEVERAL FLOORBEAM SUPPORT CORRODED.  THE STATIONS ARE AS FOLLOW; BS 279 LBL 12-27.5L, BS 294.5 LBL 32L-50.5R, BS 312 LBL 50-16RBL, BS 328 LBL 56-56 RBL.  MECHANICALLY REMOVED CORROSION AND REMOVED FLOOR SECTION, FABRICATED REPAIR, TREATED, PRIMED, AND INSTALLED IAW B737 SRM 51-10-2, 53-10-9, 53-10-1, 53-10-9 FIG 5, AND MM 51-21-31.  FLOORBEAM P/N OFF 60-893 (2EA), FLOORBEAM P/N OFF 60-8004.

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