Service difficulty report · Tee Fitting · Boeing 73771B

Difficulty date
September 17, 2024
Submitted
October 2, 2024
Operation
Air carrier
Aircraft
N7852A
Make and model
Boeing 73771B
Aircraft serial
29371
Aircraft time
51,472 hours, 32,335 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 ACB TEE ASSY STA 772; LBL 21-RBL 21; WL 156.<[01] UPDATED TABLE;[02] ENTERED STEPS 2-3 IN ERROR.;[03] INCORRECT LABOR ROW WAS SELECTED.;[04] REPLACED TO NEW PART AND APPLIED PAINT AND TWO COAT CIC ON ACB TEE ASSY STA 772; LBL 21-RBL 21; WL 156 IAW SRM 51-21-73-370-804 AND AMM 51-21-91-620-802. PART# 146A9401-4 LOT# 1507361-1.;[05] VERIFIED;[06] VERIFIED CORRECTIVE ACTION 4

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