SDR CALA2021072601175

Service difficulty report · Floor Support · Airbus A320232

Difficulty date: July 23, 2021
Submitted: July 26, 2021
Operation: Air carrier
Aircraft: N440UA
Make and model: Airbus A320232
Aircraft serial: 702
Aircraft time: 75,067 hours, 30,601 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: D53472D200000
Condition: Corroded
Location: Frs 68-70
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

(A3NB-53-3-6186) CORROSION ON AFT CABIN FLOOR BEAM Y765 BETWEEN FR68 AND FR70 (74-07) REMOVED CORROSION ON AFT CABIN FLOOR BEAM Y765 IAW SRM 51-74-00 L=2.15" W=2.8" D=0.045 FOUND TO BE LIMITS IAW SRM 53-00-14 FIG 0 1, REMOVED AND REPLACED IAW 51-72-11-911-00, ORIGINAL THICKNESS =0.160 REMOVED MATERIAL=0.045", REMAINING THICKNESS =0.115".

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