Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 3, 2022
Submitted
August 9, 2022
Operation
Air carrier
Aircraft
N951WN
Make and model
Boeing 7377H4
Aircraft serial
36665
Aircraft time
39,132 hours, 23,683 cycles
Part
Intercostal
Condition
Cracked
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

INTERCOSTAL IS CRACKED AT RBL 32; BETWEEN BS 312-328 WL 208 / [01] REPLACED INTERCOSTAL AT RBL 32 BETWEEN BS 312-328 WL 208 PER<BR>SRM 51-40-05-0G-0.;[02] INSTALLED EIGHT HI-LOCKS ON INTERCOSTAL AT RBL 32 BETWEEN BS 312-328 PER SRM 51-40-02-0G-0 STEP 7.;[03] UPDATED CHART.;[04] TORQUE WRENCH USED ON STEP 2. ID NUMBER = (ATS750) AND CALIBRATION DUE DATE = 06/2023.;[05] CERTIFY;[06] ALSO USED BOEING DRAWING 141A5400 REV - 08/09/96. IN STEP 2 INSTALLATION;[07] CERTIFY;[08] COMPLETE;[09] VERIFIED TASK COMPLETE<BR>VERIFIED MEASUREMENT TABLE

More about the Boeing 737-7H4