Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 6, 2023
Submitted
August 29, 2023
Operation
Air carrier
Aircraft
N297WN
Make and model
Boeing 7377H4
Aircraft serial
32542
Aircraft time
51,861 hours, 31,224 cycles
Part
Intercostal
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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

CRACKED INTERCOSTAL AT FWD CABIN BS344+5 RBL12 WL208.<[01] PARTIALLY COMPLETED STEPS 1 AND 2. NEED OK TO INSTALL.;[02] PARTIALLY COMPLETED STEP 3.;[03] VERIFIED APPLICABILITY OF SRM 53-10-51-1A-1 CRACKED INTERCOSTAL AT BS 344+5 RBL 12 WL 208 FOUND TO BE OUT OF LIMITS IAW SRM 53-10-51-1A-1 PH 4.E FIG 105 (A) ACCOMPLISHED CIC APPLICATION IAW AMM 51-21-91-620-802 VERIFIED ALL STEPS COMPLETE;[04] VERIFIED CORRECTIVE ACTION #3; INTERCOSTAL INSTALLED ON STEP 3<BR>VERIFIED MEASUREMENTS

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