Service difficulty report · Support Angle · Boeing 7377BD

Difficulty date
December 12, 2022
Submitted
January 30, 2023
Operation
Air carrier
Aircraft
N7744A
Make and model
Boeing 7377BD
Aircraft serial
33931
Aircraft time
51,253 hours, 26,798 cycles
Part
Support Angle
Condition
Cracked
Location
Nr 1 Fan Cowl
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 INBOARD FAN COWL SUPPORT ANGLE AFT LOWER POSITION ON ENGINE 1 2022-691670<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600D; S/N: 210138003; DUE DATE: 22-FEB-23.;[02] PERFORMED REPAIR LOCATED INBOARD FAN COWL SUPPORT ANGLE AFT LOWER POSITION ON ENGINE 1 IAW EA EA 23-171-00074 AND B737-700 SRM 737-700 SRM 54-20-02-1A-1.. SEE INDIVIDUAL SIGNOFFS BELOW;[03] CORRECTED STEP 2 <BR>PERFORMED REPAIR LOCATED INBOARD FAN COWL SUPPORT ANGLE AFT LOWER POSITION ON ENGINE 1 IAW EA 23-171-00074 AND B737-700 SRM 54-20-02-1A-1.. SEE INDIVIDUAL SIGNOFFS BELOW;[04] PERFORMED REPAIR LOCATED INBOARD FAN COWL SUPPORT ANGLE AFT LOWER POSITION ON ENGINE 1 IAW EA 23-171-00074 AND B737-700 SRM 54-20-02-1A-1.. SEE INDIVIDUAL SIGNOFFS BELOW

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