Service difficulty report · Panel · Boeing 7377CT

Difficulty date
February 21, 2023
Submitted
March 8, 2023
Operation
Air carrier
Aircraft
N567WN
Make and model
Boeing 7377CT
Aircraft serial
32747
Aircraft time
67,166 hours, 34,728 cycles
Part
Panel
Condition
Cracked
Location
Zn 300 Stabilize
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

LH HORIZONTAL STABILIZER PANEL 333AT TRACK ASSY FOUND CRACKED<[01] REMOVED PANEL 333AT AT LT HORIZONTAL STABILIZER FOR ACCESS TO DAMAGE IN AS PER B 737-700 SRM 51-40-02-0G-0;[02] REMOVED KEYWORD TRACK AT LT HORIZONTAL STABILIZER OF UPPER SIDE FOR DAMAGE IN AS PER B 737-700 SRM 51-40-02-0G-0;[03] RECEIVED NEW KEYWORD TRACK P/N 181A8060-15 PO# 1728471;[04] LOCATED AND DRILLED NEW KEYWORD TRACK AT LT HORIZONTAL STABILIZER AT UPPER SIDE IN AS PER B 737-700 SRM 51-40-05-0G-0;[05] VERIFIED 1-4. OK TO INSTALL NEW TRACK.;[06] INSTALLED NEW TRACK AT LT HORIZONTAL STABILIZER AT UPPER SIDE IN AS PER B 737-700 SRM 51-40-02-0G-0;[07] VERIFIED 6.;[08] OK TO INSTALL/CLOSE ACCESS PANEL 333AT.;[09] INSTALLED PANEL 333AT AT LT HORIZONTAL STABILIZER FOR ACCESS TO DAMAGE AS PER B 737-700 SRM 51-40-02-0G-0;[10] (FINAL) REMOVED AND REPLACED LH HORIZONTAL STABILIZER PANEL 333AT TRACK ASSY AS PER SRM 51-40-02-0G-0.;[11] VERIFIED STEPS#9 AND #10.

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