# SDR CALA2023040401021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2023
- Submitted: April 5, 2023
- Operation: Air carrier
- Aircraft: [N25705](https://openairdocs.org/aircraft/N25705), registered now
- Make and model: Boeing 737
- Aircraft serial: 28766
- Aircraft time: 77,491 hours, 27,915 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Intercostal
- Part number: 146A74021
- Condition: Corroded
- Location: Sta 847 And 867
- 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/CALA2023040401021

## Discrepancy

AFT CARGO COMPARTMENT CORROSION @ WASTE TANK DUMP CHUTE ENCLOSURE SUPPORT STRUCTURE  BETWEEN STA 847 AND 867, BETWEEN S-25L AND S-26L. (REF AAR N/R 975224) AFT CARGO COMP WASTE TANK DUMP CHUTE ENCLOSURE SUPPORT STRUCTURE BETWEEN STA 847 AND STA 867 FOUND OUT OF LIMITS AS PER SRM 51-10-02-0G-0. REMOVED AND REPLACED INTERCOSTAL AS PER SRM 51-40-02-0G-0 (WORK ACCOMPLISHED BY V894534)

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