# SDR CALA2023033100950

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2023
- Submitted: March 31, 2023
- Operation: Air carrier
- Aircraft: [N12216](https://openairdocs.org/aircraft/N12216), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 28776
- Aircraft time: 76,501 hours, 27,624 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Skin
- Part number: NA
- Condition: Unknown
- Location: Sta 157.10
- 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/CALA2023033100950

## Discrepancy

RH HORIZONTAL LOWER SKIN S/M-2 INDICATIONS FOUND DURING C-SCAN AT STA 157.10 (REF AAR NR 99960419) REPAIRED RH HORIZONTAL STAB LOWER SKIN AT STA 157.10 IAW B737-80 0 SRM 55-10-01-2R-11, SRM 51-40-05-0G-0 SRM 51-40-80-0G-0, AMM 5 1-21-41-370-803, AMM 51-21-72-370-801, SOPM 20-30-03 INSPECTION REQUIREMENTS SEE B737-800 SRM 55-10-01-2R-11 PAR5 TABLE 204 ADD EMP:V939604

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