Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
February 24, 2023
Submitted
April 5, 2023
Operation
Air carrier
Aircraft
N212WN
Make and model
Boeing 7377H4
Aircraft serial
32485
Aircraft time
59,557 hours, 35,743 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 900 Lav/Galle
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

CRACK ON INTERCOSTAL LOCATED BTW BS 291.5 TO BS 303.9 AT LEVEL STR 16L AT FWD GALLEY AREA 2023-142635<[01] REPLACED INTERCOSTAL AND FASTENERS LOCATED BTW BS 291.5 TO BS 303.9 AT LEVEL STR 16L AT FWD GALLEY AREA I.A.W B737-700 SRM 51-40-02-0G-0;SRM 51-10-02-0G-0 ITEM 9 AND DWG 141A8180 SHEET 27 REV C.SEE INDIVIDUAL SING-OFF BELOW.;[02] CORRECTED STEP 1: REPLACED INTERCOSTAL AND FASTENERS LOCATED BTW BS 291.5 TO BS 303.9 AT LEVEL STR 16L AT FWD GALLEY AREA I.A.W B737-700 SRM 51-40-02-0G-0;SRM 51-10-02-0G-0 ITEM 9 AND DWG 141A8180 SHEET 27 REV C.SEE INDIVIDUAL SIGN-OFF BELOW.;[03] REPLACED INTERCOSTAL AND FASTENERS LOCATED BTW BS 291.5 TO BS 303.9 AT LEVEL STR 16L AT FWD GALLEY AREA I.A.W B737-700 SRM 51-40-02-0G-0;SRM 51-10-02-0G-0 ITEM 9 AND DWG 141A8180 SHEET 27 REV C.SEE INDIVIDUAL SIGN-OFF BELOW.<BR>RII

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