Service difficulty report · Tee Fitting · Boeing 7377H4

Difficulty date
November 27, 2024
Submitted
December 17, 2024
Operation
Air carrier
Aircraft
N439WN
Make and model
Boeing 7377H4
Aircraft serial
29834
Aircraft time
70,839 hours, 42,333 cycles
Part
Tee Fitting
Condition
Corroded
Location
Zone 100
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

CORROSION ON AFT CARGO COMPARTMENT TEE AT STA 727C+5; LBL 21-RBL 21; WL 156. BS 727D + 6<[01] REMOVED AND REPLACED TEE LOT:1572868-1; P/N 146A9401-8ATSMRO PER BOEING DWG 147A7500 AND AMM 25-52--10-400-801.<BR>USED TOOL:<BR>ID: ATS1698<BR>DUE05/2025;[02] TASK COMPLETE

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