Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
November 30, 2022
Submitted
December 21, 2022
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
51,537 hours, 27,573 cycles
Part
Intercostal
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

MAIN CABIN BETWEEN STA 380-400 LBL 14' INTERCOSTAL CRACKED<[01] REMOVED INTERCOSTAL AT MAIN CABIN BETWEEN STA 380-400 AS PER REF SRM 51-40-02;[02] VERIFIED STEP 1 OK TO INSTALL NEW INTERCOSTAL;[03] INSTALLED NEW INTERCOSTAL AT MAIN CABIN BETWEEN STA 380-400 AS PER REF SRM 51-40-02 AND DWG #143A5400;[04] CORRECTION ON STEP #3: INSTALLED NEW INTERCOSTAL AT MAIN CABIN BETWEEN STA 380-400; LBL13.24; AS PER REF SRM 51-40-02 AND DWG #143A5400;[05] VERIFIED STEP 4

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