# SDR USAA950954

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N420US
- Make and model: Boeing 737401
- Aircraft serial: 23987
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 6545834256
- Condition: Corrosion
- Location: Bs 312-328
- Part time: 19,266 hours
- 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/USAA950954

## Discrepancy

INT - DURING Q-2 CHECK VISUAL INSPECTION, FOUND FOUR .5 INCH BY 1 INCH CORRODED SPOTS BS 312 TO BS 328, RBL 12 CABIN FLOOR INTERCOSTAL.  REPLACED WITH NEW PART, REPAIRED PER SRM 51-10-2.  CORROSION TASK NR C53-107-02, CORROSION LEVEL 2.  (M)

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