SDR IPXA2026080706754

Service difficulty report · Angle · Boeing 75724APF

Difficulty date: July 22, 2026
Submitted: August 11, 2026
Operation: Air carrier
Aircraft: N438UP
Make and model: Boeing 75724APF
Aircraft serial: 25469
Aircraft time: 31,943 hours, 20,896 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 146N524029
Condition: Corroded
Location: Zone 200
Stage of operation: IN
How discovered: V
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

MAIN CABIN FLOOR DECK PLATE LOWER SURFACE NUTPLATE RETAINERS CORRODED THROUGHOUT LT & RT AND CENTER SECTION BS 1680 TO 1720. INSTALLED, RESTORED SURFACE FINISH AND APPLIED CIC ON NEW ANGLE IAW SRM 51-40-02-0G-0, PAR 4, REV 125, DWG 146N5221 REV B, AMM 51-21-15-370-801 PAR.2 AND AMM 51-24-09-377-001 PAR.2 REV 140.

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