SDR AALA202008109013

Service difficulty report · Door Sill · Airbus A321231

Difficulty date: June 26, 2020
Submitted: August 10, 2020
Operation: Air carrier
Aircraft: N122NN
Make and model: Airbus A321231
Aircraft serial: 6252
Aircraft time: 20,123 hours, 5,674 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Door Sill
Part number: D5348004320701
Condition: Corroded
Location: Frame 66
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: CORROSION OF R4 DOOR SILL PLATE AT FASTENER HOLES INBD OF FWD GIRT BAR HOOK AT FR66 AND BL 124.5R, MEASURING L=4.5 IN, W=1.0 IN, D=0.177 IN. REPLACED SILL PLATE WITH NEW IAW AARD 51-00-00-03 AND SRM 51-42-04.

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