# SDR CALA2026092819888

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N16703](https://openairdocs.org/aircraft/N16703), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28764
- Aircraft time: 85,798 hours, 31,915 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Fitting
- Part number: 147A744316
- Condition: Corroded
- Location: Zone 200
- 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/CALA2026092819888

## Discrepancy

PER EA 5331-03178 OP 001 STEP  5 (B) CORROSION FOUND ON AFT DRAIN SUPPORT FITTING.  REMOVED AND REPLACED AFT DRAIN SUPPORT FITTING IAW SRM 51-40-02-0G-0 AND DWG 147A7443 REV C.

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