# SDR CALA20191011730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2019
- Submitted: October 11, 2019
- Operation: Air carrier
- Aircraft: [N73283](https://openairdocs.org/aircraft/N73283), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31606
- Aircraft time: 52,491 hours, 18,630 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 147A3110
- Condition: Corroded
- Location: Bs 917
- 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/CALA20191011730

## Discrepancy

REF FCD 5100-02772 LAV VENT PORT HAS CORROSION STA 917L BETWEEN STRINGERS 21L AND 22L FUSELAGE SKIN AT STA 917 BETWEEN STR''S 21L AND 22L HAVE BEEN REPAIRED IAW SRM 53-70-01 REP 3 INSP THRESHOLD @ 50,000 TOT F/C FOLLOWED BY REPEAT INTERVALS AT EACH SUBSEQUENT 5,000 F/C PER STEP 5.A.TABLE 202 TOMC APPROVED FOR ONE TIME INSPECTION AT 50,000 CYCLES WITH SUBSEQUENT INSPECTIONS AT 5000 CYCLE INTERVALS.

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