SDR IPXA2024052554204

Service difficulty report · Brace · Boeing 74744AF

Difficulty date: May 14, 2024
Submitted: May 28, 2024
Operation: Air carrier
Aircraft: N577UP
Make and model: Boeing 74744AF
Aircraft serial: 35666
Aircraft time: 56,809 hours, 8,825 cycles
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Brace
Part number: 321U2371125
Condition: Chafed
Location: Nr 4 Nacelle
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

CHAFING - SURFACE , NO.4 PYLON DIAGONAL BRACE FORWARD 11:00 POSITION. (REPAIR) MEASURE REWORK AREA DEPTH=0.024", LENGTH=1.1", WIDTH=0.4" IT WAS ALLOWABLE I.A.W SRM 54-51-90-1A-3 FIGURE 101 DETAIL II REV:100. APPLY PROTECTIVE COATING AT REWORK AREA I.A.W SRM 51-20-01-0G REV:100. JOB COMPLETED.

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