Service difficulty report · Tee Angle · Boeing 75724APF

Difficulty date
April 2, 2025
Submitted
April 23, 2025
Operation
Air carrier
Aircraft
N470UP
Make and model
Boeing 75724APF
Aircraft serial
25486
Aircraft time
34,739 hours, 20,775 cycles
Part
Tee Angle
Part number
149N763313
Condition
Corroded
Location
Zone 100
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

CORROSION ON T CHORD AT STA 1180-1220 BL 57.50. INSTALLED NEW T-CHORD FROM STA 1180 TO 1220 LBL 57. NUTPLATES-BACN11P3B6CG, BATCH 0004386857, QTY 17. RIVETS-MS20426AD3-6, BATCH 0004370829, QTY 34. MS20470AD6-6, BATCH 0004377267, QTY 52. HI-LOKS-BACB30MY6K5X, BATCH 0004279034, QTY 24, HL11VF6-4, BATCH 0004270971, QTY 9. COLLARS-BACN10ZV3, BATCH 0000281333, QTY 33. SEALANT- 04-001-0109, BATCH 0004371368, QTY 1. IAW SRM 51-40-02-0G

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