SDR IPXA2026051840233

Service difficulty report · Depressor · Boeing 7478F

Difficulty date: May 12, 2026
Submitted: May 19, 2026
Operation: Air carrier
Aircraft: N621UP
Make and model: Boeing 7478F
Aircraft serial: 65785
Aircraft time: 24,034 hours, 3,568 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Depressor
Part number: 65B042205
Condition: Cracked
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

CRACKED PRESSURE SEAL, FWD CARGO DOOR CUTOUT FWD SIDE. REMOVED DAMAGE DEPRESSOR SEAL AND DEPRESSOR SEAL SPLICE IAW SRM 51-40-02-0G REV.48. INSTALLED NEW DEPRESSOR SEAL AND DEPRESSOR SEAL SPLICE IAW SRM 51-40-02-0G, REV 48, AND DWG 65B04220, SH 4, REV B.

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