Service difficulty report · Attach Angle · Boeing 7378H4

Difficulty date
October 25, 2022
Submitted
November 15, 2022
Operation
Air carrier
Aircraft
N8658A
Make and model
Boeing 7378H4
Aircraft serial
36899
Aircraft time
26,704 hours, 12,362 cycles
Part
Attach Angle
Condition
Cracked
Location
Bs 380-400
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 UPPER ATTACH ANGLE BS 380-400, LBL 51, WL 208. HFEC INSPECTED CRACK IAW NDTM PT6 51-00-00, PROCEDURE 23. CRACK LENGTH IS 0.700 INCH. INTERCOSTAL ATTACH ANGLE FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04-1A-1, FIG 102 (A). REMOVED THE ATTACH ANGLE IAW SRM 51-40-02-0G-0, LOCATED & DRILLED THE NEW ATTACH ANGLE IAW SRM 51-40-05-0G-0 & DWG 143A5400. INSTALLED THE NEW ATTACH ANGLE IAW SRM 51-40-02-0G-0 & DWG 143A5400. FILLET SEALED IAW AMM 51-31-00-390-804 & APPLIED CIC IAW AMM 51-21-91-620-802.

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