# SDR FDEA202308151407

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2023
- Submitted: August 15, 2023
- Operation: Air carrier
- Aircraft: [N631FE](https://openairdocs.org/aircraft/N631FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48454
- Aircraft time: 110,661 hours, 22,863 cycles
- System (JASC): [5530 · Vertical Stabilizer](https://openairdocs.org/jasc/5530)
- Part: Fitting
- Part number: AJC7515501
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202308151407

## Discrepancy

DURING HFEC SURFACE INSP ON LT SIDE  FORWARD FLANGE OF LOWER VERTICAL STAB REAR SPAR CAP, NR 4 BANJO FITTING UPPER SECTION AT STA Y=2164, FOUND CRACK ALONG RADIUS FROM LOWEST FASTENER TOWARDS THE 2ND FASTENER WITH LENGTH APPROXIMATELY 0.5 INCH.  TRIMMED AS PER MD-11   SRM 55-30-02-2R FIGURE 201 REPAIR 5 AND REPAIRED AS PER MD-11 SRM 55-30-02-2R FIGURE 202   REPAIR 5. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100. TO CARRY OUT INITIAL INSPECTION   AT 5,400 FLIGHT CYCLES AND REPETITIVE INSPECTION AT EVERY 2,700 FLIGHT CYCLES AS PER   MD-11 SRM 55-30-02-2R TABLE 203 REPAIR 5 FIGURE 202. REQUIREMENTS METHOD BY   ULTRASONIC AND HIGH FREQUENCY EDDY CURRENT PER SN10550000 REQUIREMENTS.

---
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.