Service difficulty report · Support · Boeing 73776Q

Difficulty date
January 11, 2023
Submitted
February 16, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
56,383 hours, 37,305 cycles
Part
Support
Condition
Corroded
Location
Zn 100 Fus Lower
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

CORROSION ON FWD CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 25 BS 500C+2; BS 500C+14.<[01] COMPLETE STEP 1-2;[02] VERIFIED APPLICABILITY FOR ALLOWABLE DAMAGE LIMITS OF FCB FLOOR TO SIDEWALL SUPPORT LBL 25 WL 156 IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2.;[03] ACCOMPLISHED WORK AT CUST SISTEM ID TTG8Q00H706B;[04] VERIFIED STEPS 1 AND 2. AND CORRECTIVE ACTIONS 1-3. VERIFIED MEASUREMENT TABLE.

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