Service difficulty report · Intercostal · Boeing 7377Q8

Difficulty date
May 10, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
50,797 hours, 27,672 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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 PASSENGER CABIN INTERCOSTAL AT BL 0 BS 927+4; BS 927+16. UPON FURTHER INVESTIGATION FOUND CRACK ON PASSENGER CABIN ANGLE ATTACHED TO INTERCOSTAL (CHORD P/N 147A5430-1) AT LBL 0.859 ; BS 927+4; BS AND 927+16; WL 208.10.;PASSENGER CABIN ANGLE ATTACHED TO INTERCOSTAL (CHORD P/N 147A5430-1) AT LBL 0.859 ; BS 927+4; BS AND 927+16; WL 208.10; FOUND TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE IN SRM . IT'LL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0 STEP 9. REMOVED CABIN ANGLE ATTACHED TO INTERCOSTAL CHORD P/N 147A5430-1 AT LBL 0 ; BS 927 TO BS 947 WL 208.5 IAS SRM 51-40-02-0G-0;INSTALLED INTERCOSTAL ATTACH ANGLE P/N 147A5430-1 AT BS 927 TO BS 947 BL-0 IAW SRM 51-40-05-0G-0 AND DWG#147A5400

More about the Boeing 737-7Q8