Service difficulty report · Frame · Boeing 757200

Difficulty date
April 27, 2023
Submitted
April 28, 2023
Operation
Air carrier
Aircraft
N14115
Make and model
Boeing 757200
Aircraft serial
27557
Aircraft time
106,471 hours, 22,185 cycles
Part
Frame
Part number
143N1017
Condition
Cracked
Location
Sta.760
Stage of operation
IN
How discovered
O
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

CABIN FRAME IS CRACKED AT I/B FASTENER FOR PSU BRACKET STA.760 BETWEEN S-8R & S-9R. [MARKED AND VERIFIED WITH HFEC] 203 ZONE 3. INSPECTION THRESHOLD 12000 FLIGHT CYCLES FROM REPAIR FIRST. REPEAT INSPECTIONS. METHOD : DETAIL VISUAL INSPECTION, (CATEGORY A REPAIR). INSTALLATION, OR 50000 AIRFRAME FLIGHT CYCLES, WHICHEVER COME INTERVAL 12000 FLIGHT CYCLES. REFERENCE MPD INSPECTION INTERVALS CUT OUT DAMAGE AND INSTALLED REPAIR DOUBLERS PER SRM 53-00-07-2R-8. INSPECTION REQUIRMENTS REQUIRED PER STEP 5 TABLE 203. ARMENTA TOMC OKAY TO CARRY FORWARD WITH A CATEGORY B INTERIM REPAIR ACCOMPLIS TOMC-APPROVAL FROM SC1ELBYC COMMENT HED ON THE FUSELAGE FORMED ZEE FRAME INBOARD FASTENER HOLE FOR P SU ZONE 3 BRACKET AT STA. 760 BETWEEN S-8R & S-9R AS AUTHORIZED PER SRM 53-00-07-2R-8 REPAIR 8. THIS CATAGORY B REPAIR REQUIRES INSPECTION AT 12000 FLIGHT CYCLES (FC) FROM REPAIR INSTALLATION, OR 50000 TOTAL AIRFRAME FC, WHICHEVER COMES FIRST. THE 12000 FC COMES FIRST WITH SUBSEQUENT REPEAT INSPECTIONS QC RECORDS UPDATE EVERY 12000 THEREAFTER. REF SRM 53-00-07-2R-8 REPAIR 8 TABLE QC REVIEWED INIT: 12,000 FC WILL ITO TO RIR (-2548) RIR: EVERY 12,000 FC THEREAFTER...AZ/U370830

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