Service difficulty report · Shield · Boeing 7377H4

Difficulty date
February 11, 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 - SIDEWALL SUPPORT HAS CORROSION BS 500+14 RBL 24<[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 AFT SHIELD BS 495 TO BS 500A I.A.W SRM 51-40-05-0G-0 AND DWG 143A8126.;[04] VERIFIED CORRECTIVE ACTION 3 AND VERIFIED MEASUREMENT TABLE.;[05] PART WILL BE INSTALLED ON AD CARD 5330-E-16461-NG (TTG8Q004DRF3);[06] VERIFIED CORRECTIVE ACTION STEP 5. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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