# SDR UIEA2026091100873

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2026
- Submitted: September 11, 2026
- Operation: Air carrier
- Aircraft: [N438GT](https://openairdocs.org/aircraft/N438GT), registered now
- Make and model: Boeing 747409F
- Aircraft serial: 30766
- Aircraft time: 97,028 hours, 17,686 cycles
- System (JASC): [5524 · Elevator Miscellaneous Structure](https://openairdocs.org/jasc/5524)
- Part: Stiffener
- Part number: 65B0366335
- Condition: Corroded
- Location: Zone 300
- 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/UIEA2026091100873

## Discrepancy

CORRODED STRUCTURE, LT HORIZONTAL STAB INTERNAL ELEV STA 256.82 AREA.  REMOVED DAMAGED PARTS  IAW SRM 51-40-02-0G-0, REV 107.  FABRICATED NEW PARTS IAW EI T2026A55M-1790, REV 1, & WS 60655.  INSTALLED FABRICATED PARTS IAW SRM 51-40-02-0G-0, REV 107, & DWG 65B03663, SH 2, REV J, & DWG 65B03641, SH 20, REV A.  JOB COMPLETED AND CONDITION CHKD NORMAL.

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