# SDR CALA2025050804557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 7, 2025
- Submitted: May 8, 2025
- Operation: Air carrier
- Aircraft: [N17752](https://openairdocs.org/aircraft/N17752), registered now
- Make and model: Boeing 737724
- Aircraft serial: 29048
- Aircraft time: 78,495 hours, 31,470 cycles
- System (JASC): [5500 · Empennage Structure](https://openairdocs.org/jasc/5500)
- Part: Rib
- Part number: 182A53013
- Condition: Cracked
- Location: Zone 300
- 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/CALA2025050804557

## Discrepancy

LH HORIZ STAB RIB #1 STIFFENER 3 CRACK. (REF AAR N/R 9962026) INSTALLED REPAIR PARTS AT L/H HORIZONTAL RIB 1 STIFFENER 3 WITH BMS 5-95 SEALANT AT 03/26/2024 AT 11:50 A.M, MIXED SEALANT AT 11:46 A.M CURE TIME IS 2:40 P.M, APPLIED FILLET SEAL AT REPAIR PARTS AT 2:05 P.M, MIXED AT 2:02 P.M CURE TIME IS AT 4:05 P.M. AS PER SRM-55-10-09-2R-4.

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