Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
December 30, 2022
Submitted
January 31, 2023
Operation
Air carrier
Aircraft
N213WN
Make and model
Boeing 7377H4
Aircraft serial
34217
Aircraft time
58,853 hours, 35,162 cycles
Part
Intercostal
Part number
NOTREPORTED
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

FWD CABIN FLOOR WET AREA INTERCOSTAL UPPER CAP CRACKED @ BL-0 BETWEEN STA 380 AND 400 MKD DOT<[01] INSTALLED EWIS PROTECCION.ON FAULT # TTG8Q003DV3A.;[02] REMOVED ANGLE (UPPER CAP)AT FWD CABIN WET AREA.STA 380 TO STA 400;BL 0.PER B 737-700 SRM 51-40-02-0G-0.;[03] LOCATED AND DRILL ANGLE;AT STA 380 TO STA 400;BL 0.PER B 737-700 SRM 51-10-02-0G-0.;[04] VERIFIED STEPS 1; 2 AND 3.;[05] OK TO INSTALL NEW UPPER CAP ANGLE.;[06] INSTALLED AT FWD CABIN FLOOR WET AREA; INTERCOSTAL UPPER CAP AT BL 0; BET. STA 380 TO STA 400.PER B 737-700 SRM 51-40-02-0G-0.;[07] EWIS PROTECCION WAS REMOVED ON FAULT #TTG8Q003DV3A;[08] VRRIFIED STEPS:6 AND 7;[09] C/W

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