Service difficulty report · Shield · Boeing 7377H4

Difficulty date
April 8, 2023
Submitted
May 18, 2023
Operation
Air carrier
Aircraft
N958WN
Make and model
Boeing 7377H4
Aircraft serial
36673
Aircraft time
38,993 hours, 23,664 cycles
Part
Shield
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

MULTIPLE AREA OF CORROSION ON AFT CARGO BAY FWD DOOR SHIELD AT RBL 22 BS 767-787<[01] REMOVED CORROSION FROM 8 SPOTS ON PART 146A8172U12. THE DEEPEST SPOT IS 0.75 X 0.75 DEPTH 0.010. ORDINAL THICKNESS IS .040. PART HAS NO LIMITS FOR DAMAGE(OUT OF LIMITS). REPAIR BY REPLACEMENT. IAW SRM 51-10-02. <BR>CAL TOOL ATS2592 SER F01852 EXP 02/29/2024;[02] RECEIVED NEW PART. LOCATED AND DRILLED/ COUNTERSINKED IAW DWG 146A8127 ID:0007 REV:-; SRM 51-40-05; SRM 51-40-06; SRM 51-40-08.;[03] VERIFIED CORRECTIVE ACTION 1; 2 AND MEASUREMENT TABLE

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