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
144N1110
Condition
Cracked
Location
Sta.1120
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.1120 BETWEEN S-8R & S-9R. [MARKED AND VERIFIED WITH HFEC] INSPECTION REQUIREMENTS AS GIVEN IN TABLE 203/REPAIR 8 ZONE3. INSTALLATION, OR 50,000 AIRFRAME FLIGHT CYCLES, WHICHEVER COMES INTERVAL, 12,000 FLIGHT CYCLES. INSPECTION THRESHOLD: 37,500 FLIGHT CYCLES FROM REPAIR FIRST. METHOD: GENERAL VISUAL INSPECTION. INTERVAL: 12,000 REPAIR.) INSPECTION TRESHOLD: 12,000 FLIGHT CYCLES FROM REPAIR FIRST. REPEAT INSPECTIONS: METHOD, DETAILED VISUAL INSPECTION. INSTALLATION, OR 50,000 AIRFRAME FLIGHT CYCLES, WHICHEVER COMES FLIGHT CYCLES. REFERENCE: MPD INSPECTION INTERVALS (CATEGORY A CUT OUT DAMAGE AND INSTALLED REPAIR REF 53-00-07-2R-8 STEP S AND T. INSPECTION REQUIREMENTS: STEP 5 TABLE 203/REPAIR 8. DO THE ADD EMP:U283361 OKAY TO CARRY FORWARD WITH A CATEGORY B MAJOR REPAIR ACCOMPLISHE TOMC-APPROVAL FROM SC1ELBYC COMMENT D ON THE FUSELAGE FORMED ZEE FRAME AT THE INBOARD FASTENER HOLE FOR PSU ZONE 3 BRACKET AT STA.1120 BETWEEN S-8R & S-9R AS AUTHOR IZED PER SRM 53-00-07-2R-8 REPAIR 8. THIS CATAGORY B REPAIR REQU IRES INSPECTION 12000 FLIGHT CYCLES (FC) FROM REPAIR INSTALLATIO N, OR 50000 TOTAL AIRFRAME FC, WHICHEVER COMES FIRST. WITH SUBSEQUENT REPEAT INSPECTIONS EVERY 12000 THEREAFTER. REF INSPECTION ZONE CORRECTION. IS ZONE 1. STEP 5 INSPECTION QC RECORDS UPDATE SRM 53-00-07-2R-8 REPAIR 8 TABLE 203. ARMENTA TOMC REQUIREMENTS. DO THE INSPECTIONS AS GIVEN IN TABLE 203/REPAIR 8. QC REVIEWED INIT: 12,000 FC WILL ITO

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