SDR SWAA2026021062637

Service difficulty report · Blade · Boeing 7378H4

Difficulty date: January 19, 2026
Submitted: February 10, 2026
Operation: Air carrier
Aircraft: N8528Q
Make and model: Boeing 7378H4
Aircraft serial: 36927
Aircraft time: 29,291 hours, 14,797 cycles
System (JASC): 5520 · Elevator Structure
Part: Blade
Condition: Damaged
Location: Zone 300
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT ELEVATOR, INBD BLADE SEAL, AFT SCREW HOLE COUNTERSINK IS ELONGATED PREVENTING SCREW FROM HOLDING. REF TSR 202600338; ENGINEERING RECOMMENDS REPAIRING IAW SRM 51-70-04-2R-9. ADDED TSR TO MEASUREMENTS FIELD. REPAIRED HOLE IAW SRM 51-70-04-2R-9, REPAIR 9. INSTALLED SCREW IAW AMM 51-40-02.

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