SDR AALA202012029012

Service difficulty report · Door Sill · Airbus A321231

Difficulty date: November 24, 2020
Submitted: December 2, 2020
Operation: Air carrier
Aircraft: N917UY
Make and model: Airbus A321231
Aircraft serial: 6427
Aircraft time: 19,162 hours, 7,453 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Part number: D5348004320600
Condition: Corroded
Location: Frame 68
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 IN BASE MAINTENANCE. FOUND CORRODED AREA ON LOWER SILL AT FR 68 AND STR 23L. CORROSION AREA MEASURED L=1.151 INCH, W=0.783 INCH, D=0.063 INCH. PERFORMED PERMANENT REPAIR ON LOWER SILL IN AFT GALLEY AREA, IAW A321 SRM 53-41-14-300-001 PRINCIPLE 5 FIG 001 SHEET 3.

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