Service difficulty report · Frame · Boeing 757224

Difficulty date
May 3, 2023
Submitted
May 5, 2023
Operation
Air carrier
Aircraft
N14115
Make and model
Boeing 757224
Aircraft serial
27557
Aircraft time
106,471 hours, 22,185 cycles
Part
Frame
Part number
144N1111
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-8LT & S-9LT. [MARKED AND VERIFIED WITH HFEC] INSPECTION REQUIREMENTS AS GIVEN IN TABLE 203/REPAIR 8 ZONE 1. INSTALLATION, OR 50,000 AIRFRAME FLIGHT CYCLES, WHICHEVER COMES FLIGHT CYCLES. REFERENCE: MPD INSPECTION INTERVALS. NR# 1343117. INSPECTION THRESHOLD: 37,500 FLIGHT CYCLES FROM REPAIR FIRST. METHOD: GENERAL VISUAL INSPECTION. INTERVAL: 12,000 CUT OUT DAMAGE AND INSTALLED REPAIR PARTS WITH HEX DRIVE BOLTS. INSPECTION REQUIREMENTS: STEP 5 TABLE 203/REPAIR 8. DO THE