SDR DALA2019102706187

Service difficulty report · Torsion Box · Airbus A330323

Difficulty date: October 25, 2019
Submitted: October 28, 2019
Operation: Air carrier
Aircraft: N806NW
Make and model: Airbus A330323
Aircraft serial: 0578
Aircraft time: 71,552 hours, 9,295 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Torsion Box
Condition: Cracked
Location: Frame 53
Stage of operation: IN
How discovered: 9
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

DURING C CHECK, DURING ACCOMPLISHMENT OF WC 5332-2003, CRACK INDICATIONS WERE FOUND ON DOOR 3R TORSION BOX STRINGER S-14R AT FR 53.8, S-15L AT FR 53.5 AND S-15R AT 53.5 DURING SURFACE HFEC INSPECTIONS PER NTM 53-32-07-250-801. REPLACED STRINGER S-15L F53370179000 AND S-15R F53370179001 PER DRAWING F533700200. LP 1331473

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