# SDR CALA2026072017858

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2026
- Submitted: July 20, 2026
- Operation: Air carrier
- Aircraft: [N38257](https://openairdocs.org/aircraft/N38257), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30612
- Aircraft time: 77,092 hours, 29,092 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Angle
- Part number: 148A2488
- Condition: Corroded
- Location: Zone 300
- 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/CALA2026072017858

## Discrepancy

HORIZONTAL STAB ACTUATOR COMPARTMENT STA 1088 BULKHEAD FORWARD FACE HAS EVIDENCE OF CORROSION ABOVE THE APU AIR INLET DUCT ATTACH TO THE BULKHEAD. REMOVED, FABRICATED NEW STIFFENER 5 AND REPLACED IAW SRM 51-40-02-0G-0,51-40-05-0G-0,51-40-08-0G-0,51-20-01-0G-0, AMM 51-21-72-370-804 AND DWG 148A2488.  REMOVED AND INSTALLED FABRICATED NEW STIFFENER AND REMOVED AND REINSTALLED DIFUSSER DUCT AND APU TRANSITION DUCT IAW SRM 51-40-02-0G-0, 51-40-05-0G-0, 51-40-0G-0, 51-20 -01-0G-0, AMM 51-21-72-370-804 AND DWG 148A2488 AMM 49-15-15-400-801.

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