Service difficulty report · Shield · Boeing 7377H4

Difficulty date
February 17, 2023
Submitted
March 13, 2023
Operation
Air carrier
Aircraft
N289CT
Make and model
Boeing 7377H4
Aircraft serial
36633
Aircraft time
50,940 hours, 30,659 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

FWD CARGO BAY - FWD SHIELD HAS CORROSION RBL 23 BS 420+16; BS 420+18.<[01] NO ALLOWABLE DAMAGE LIMITS; IT HAS TO BE REPAIRED BY REPLACEMENT PER SRM 51-10-02-0G-0 STEP 9 C.;[02] VERIFIED CORRECTIVE ACTION 1;[03] LOCATED AND DRILLED NEW FCB FWD SHIELD RBL 23 IAW SRM 51-40-05 AND DWG#143A8126 . INSTALLATION OF THIS PART WILL BE ON FAULT [TTG8Q004DRF3];[04] COMPLETED MEASUREMENT TABLE;[05] VERIFIED CORRECTIVE ACTIONS 3; 4 AND MEASUREMENT TABLE.

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