Service difficulty report · Web · Boeing 7377BD

Difficulty date
March 4, 2023
Submitted
April 3, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 cycles
Part
Web
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

AFT CARGO BAY - CORROSION ON THRESHOLD WEB AT RBL 27 BS 827+1; BS 827+5.75; BS 827+6.25; BS 827+9; BS 827+11; BS 827+11.75.<[01] N/A'D STEP 3- CREATED IN ERROR;[02] COMPLETED STEPS 1-2;4-7<BR>VERIFIED APPLICABILTY PER SRM#53-60-15-01-1 FOR IDENTIFICATION AND SRM#53-60-15-1A-1 FOR ALLOWABLE DAMAGE;[03] COMPLETED STEP 1; 2 4-7.<BR>VERIFIED CORRECTIVE ACTION 2;[04] FABRICATION WILL BE COMPLETED ON CUSTOMER CARD NBR:TTG8Q00J972N;[05] UPDATED MESURMENT TABLE;[06] UPDATED MEASUREMENTS;[07] VERIFIED CORRECTIVE ACTION #4.<BR>VERIFIED MEASUREMENTS.

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