Service difficulty report · Tie Down · Boeing 7378H4

Difficulty date
September 18, 2023
Submitted
October 26, 2023
Operation
Air carrier
Aircraft
N8308K
Make and model
Boeing 7378H4
Aircraft serial
36682
Aircraft time
37,857 hours, 17,208 cycles
Part
Tie Down
Part number
UNKNOWN
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 TIE DOWN HAS CORROSION AT BS 787+3; LBL 17; WL 162<[01] UPDATED STEP 1;[02] UPDATED STEP 2 AND MEASUREMENT TABLE.;[03] UPDATED STEP 3;[04] EDITED MEASUREMENT TABLE;[05] REMOVED CORROSION FROM ACB TIE DOWN AT BS 787 + 3'; LBL 17; WL 162; IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2; MATERIAL REMOVED: 0.020' AND IS FOUND IN LIMITS IAW SRM 53-00-53-1A-2; DETAIL G. APPLIED CHEMICAL CONVERSION COATING ON REWORKED AREA AT BS 787+3; LBL 17; WL 162 IAW AMM 51-21-41-370-803 AND PRIMER IAW AMM 51-21-72-370-804.;[06] VERIFIED CORRECTIVE ACTION 5

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