Service difficulty report · Support Bracket · Boeing 75724APF

Difficulty date
July 21, 2026
Submitted
August 10, 2026
Operation
Air carrier
Aircraft
N438UP
Make and model
Boeing 75724APF
Aircraft serial
25469
Aircraft time
31,943 hours, 20,896 cycles
Engine
Rroyce RB211535E4
Part
Support Bracket
Part number
UL25939
Condition
Cracked
Location
Zone 400
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

NR 1 ENG COOLING AIR MANIFOLD INLET AT 3 OCLOCK POS. HAS A CRACKED SUPPORT BRACKET. INSTALLED NEW SUPPORT BRACKET AT NR 1 ENGINE COOLING AIR MANIFOLD INLET AT 3 OCLOCK POSITION IAW SRM 51-40-02-0G-0 PAR. 4 AND 9. AND AMM 70-51-00-912-001-R00, PAR.2

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