# SDR CALA2020011900172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2020
- Submitted: January 19, 2020
- Operation: Air carrier
- Aircraft: [N24729](https://openairdocs.org/aircraft/N24729), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28945
- Aircraft time: 66,834 hours, 23,476 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Pan
- Part number: 146A740121
- Condition: Corroded
- Location: Fuselage
- 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/CALA2020011900172

## Discrepancy

(B737-20-3-0168) AFT CARGO COMPARTMENT, WASTE TANK SERVICE PANEL INTERNAL STRUCTURE HAS CORROSION. REF BY NRS 2664N466 REMOVED CORROSION FROM WASTE TANK SERVICE PAN, IAW SRM 51-10-02 FOUND TO BE OUT OF LIMITS IAW SRM 52- 40-01 REMOVED AND REPLACED LAV SERVICE PAN ASSY IAW SRM 51-40-02. WORK PERFORMED BY P126. REMOVED CORROSION FROM WASTE TANK SERVICE PAN, IAW SRM 51-10-02 FOUND TO BE OUT OF LIMITS IAW SRM 52- 40-01 REMOVED AND REPLACED LAV SERVICE PAN ASSY IAW SRM 51-40-02. WORK PERFORMED, ENTERED.

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