Service difficulty report · Skin · Airbus A330323

Difficulty date
July 3, 2026
Submitted
July 4, 2026
Operation
Air carrier
Aircraft
N801NW
Make and model
Airbus A330323
Aircraft serial
0524
Aircraft time
98,024 hours, 12,817 cycles
Part
Skin
Condition
Corroded
Location
Zone 100
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

AIRCRAFT 3301, FOUND CORROSION LEVEL 2 ON LOWER FUSELAGE SKIN NEAR BTW FRAME 76 TO FRAME 77 AND BTW STR 40L TO 41L LOWER FUSELAGE CORRECTIVE ACTION: CORROSION REMOVED BY BLEND OUT, THE REWORKED AREA MEASURED AND EVALUATED: THE REMAIN THICKNESS IS 1.60MM<1.80MM, FOUND OUT OF LIMITS, CUT THE DAMAGED SKIN AREA, DO THE EXTERNAL DOUBLER REPAIR BETWEEN FR76 AND FR77 AS PER A330 SRM53-41-11-300-022 REV 129.00. (LP 1679379 - AIRCRAFT WAS GROUNDED)

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