# SDR CALA2023030300616

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2023
- Submitted: March 3, 2023
- Operation: Air carrier
- Aircraft: [N69813](https://openairdocs.org/aircraft/N69813), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 43531
- Aircraft time: 28,903 hours, 10,361 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Seat Track
- Part number: 143A5310142
- Condition: Corroded
- Location: Sta 500d-500e
- 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/CALA2023030300616

## Discrepancy

SUPPORT TASK: MAIN CABIN SEAT TRACK STA 500D-500E LBL24 HAS CORROSION.  TRANSCRIBED FROM HAECO GSO NRC# 9288266 REMOVED CORROSION FROM MAIN CABIN SEAT TRACK STA 500D-500E LBL-2 HAECO GSO MECH V900579 INSP QC453 4, MAX ALLOWED IS .040, MATERIAL LOSS .080 OUT OF LIMITS IAW B73 7-900NG SRM 53-00-52. REMOVED DAMAGED SECTION OF SEAT TRACK AND INSTALLED REPAIR SECTION IAW B737-900NG SRM 53-00-52 REPAIR 4.

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