# SDR CALA2022090902314

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2022
- Submitted: September 9, 2022
- Operation: Air carrier
- Aircraft: [N76503](https://openairdocs.org/aircraft/N76503), registered now
- Make and model: Boeing 737
- Aircraft serial: 33461
- Aircraft time: 50,936 hours, 18,437 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Waste Tank
- Part number: NA
- Condition: None
- Location: Waste Tank Vent
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022090902314

## Discrepancy

WASTE TANK CUT OUT VENT HAS CORROSION (REF. AAR NR 99944029). REPAIRED WASTE TANK CUT OUT VENT IAW B737-800 SRM 53-70-01-2R RE PAIR 3 STEP 4 (WORK ACCOMPLISHED BY V940417 AND AAR QC A-76 V920 285). PER SRM 53-70-01-2R REPAIR 3 STEP PERFORM LFEC EVERY 5000FC BEGINNING AT 50000FC ADD EMP:V920285

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