# SDR AWXA200200722

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2002
- Submitted: August 12, 2002
- Operation: Air carrier
- Aircraft: N174AW
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23633
- Aircraft time: 54,740 hours, 33,889 cycles
- Engine time: 0 hours, 0 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Tee Chord
- Part number: 65468101
- Condition: Corroded
- Part time: 0 hours, 0 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/AWXA200200722

## Discrepancy

MCN - MAJOR REPAIR - DURING C-17 CHECK EXFOLIATION CORROSION WAS FOUND ON UPPER SURFACE OF FLOOR BEAM (TEE CHORD) BS 967, LBL 18. MAINTENANCE CUTOUT DAMAGED AREA OF UPPER TEE CHORD BS 967, LBL 18, FABRICATED 2 EACH SUPPORT ANGLES, 2 EACH STRAPS, AND A NEW SECTION OF UPPER TEE CHORD, AND INSTALLED REPAIR PARTS IAW B737-300 SRM 53-00-51, PG. 207-211, FIG 202.

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