Service difficulty report · Clamp · Boeing 737932ER

Difficulty date
July 8, 2025
Submitted
July 8, 2025
Operation
Air carrier
Aircraft
N831DN
Make and model
Boeing 737932ER
Aircraft serial
31942
Aircraft time
32,121 hours, 12,319 cycles
Part
Clamp
Condition
Detached
Location
Zone 100
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

LOG (7328864) SHIP 3831 -PRESS/DE- DECLARED EMERGENCY DUE TO LOSS OF RIGHT BLEED ON CLIMB FOLLOWED BY PRESSURIZATION ISSUES. DESCENDED TO 19K AND CONTINUED TO DESTINATION. FOUND LEFT PACK DUCT CLAMP BETWEEN ACM AND REHEATER OFF. RESECURED SAME. RIGHT ENGINE BLEED FOUND BAR NOT ALLOWING PRSOV TO OPEN. REPLACED BAR. ALSO REFER TO LOGS 1069067, 1069089. PERFORMED LEFT AND RIGHT SINGLE PACK CONFIDENCE CHECKS. OPS CHECKS GOOD.