SDR DALA2026042902721

Service difficulty report · Pressure Blkhd · Boeing 7378EH

Difficulty date: April 28, 2026
Submitted: April 29, 2026
Operation: Air carrier
Aircraft: N775DE
Make and model: Boeing 7378EH
Aircraft serial: 39620
Aircraft time: 32,289 hours, 18,382 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Pressure Blkhd
Condition: Mechanic Error
Location: Zone 100
Stage of operation: IN
How discovered: V
Nature of condition: W
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

MISDRILLED ON AFT PRESSURE BULKHEAD, STA 1042, LBL=38, AND 3" ABOVE FLOOR STRUCTURE, AT PASSENGER CABIN. AFT PRESSURE BULKHEAD, STA 1042, LBL=38, AND 3" ABOVE FLOOR STRUCTURE, AT PASSENGER CABIN WAS REPAIRED PER PRI 633747-14 REV.10 AND ER/A 633747-14 REV O. (LOG 1567995 - AIRCRAFT WAS GROUNDED).

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