Service difficulty report · Angle · Boeing 7377H4

Difficulty date
August 13, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N754SW
Make and model
Boeing 7377H4
Aircraft serial
29849
Aircraft time
74,935 hours, 44,224 cycles
Part
Angle
Condition
Cracked
Location
Apu Inlet
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 ANGLE AT PLENUM RT APU AIR INLET ; 2021-368759 / [01] REMOVED ANGLE AND FASTENERS AT PLENUM RT APU AIR INLET IAW B737-700 SRM 51-40-02 AND PERFORMED VISUEL INSPECTION AND NOT FOUND MORE DAMAGE ON ADJACENT AREA AND DUE TO NOT FOUN ALLOWABLE DAMAGE ANGLE MUST BE REPLACED; [02] STEP 1 COMPLETE; [03] PERFORMED DRILL HOLES ON NEW ANGLE AT PLENUM RT APU AIR INLET IAW B737-700 SRM 51-40-05 AND OK TO INSTALL NEW ANGLE GRANTED.; [04] STEP 3 COMPLETE; [05] INSTALLED NEW ANGLE AND FASTENERS LOC AT PLENUM RT APU INLET. IAW B737-700 SRM 51-40-02 AND DWG #353A2010 SHEET 8 REV _.; [06] REPLACED ANGLE LOC. AT PLENUM RT APU AIR INLET. IAW B737-700 SRM 51-40-02 AND DWG # 353A2010 SHEET 8 REV _.; [07] STEP 5 COMPLETED.; [08] JOB COMPLETED.

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