# SDR CALA2020010600002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 26, 2019
- Submitted: January 6, 2020
- Operation: Air carrier
- Aircraft: [N18243](https://openairdocs.org/aircraft/N18243), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28806
- Aircraft time: 64,601 hours, 23,005 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- Part number: 182A5301
- Condition: Cracked
- Location: Rt Horiz Stab
- 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/CALA2020010600002

## Discrepancy

RH HORZ STAB STA 92.70 VERT STIFFENER NO. 2 HAS VISIBLE CRACK. REF BY PEMCO NRS 2645N836. REPAIRED VERTICAL STIFFENER NO.2 AT RH HORZ STAB STA 92.70 IAW B 737-800 SRM. 55-10-09 REPAIRE 5 AND 55-10-01 REPAIR 11 15 A CATEGORY B REPAIR AND REQ INSPECTION THRES HOLD OF 56.000 TOTAL FIGHT CYCLES DUI AND EXTERNAL LOW FREQ. EDDY CURRENT INSPECTION AT 9000 FLIGHT CYCLES. WORK, ENTERED. ITEM ENTERED IN ERROR LP# 4123717 WAS MISIDENTIFIED AS "N" FOR SDR AND SHOULD HAVE BEEN MARKED "Y" SEE SFR# 1023316

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.