Service difficulty report · Psu · Boeing 75733N

Difficulty date
April 27, 2021
Submitted
April 28, 2021
Operation
Air carrier
Aircraft
N77867
Make and model
Boeing 75733N
Aircraft serial
32592
Aircraft time
59,532 hours, 17,374 cycles
Part
Psu
Part number
417N30111462B
Part serial
NA
Condition
No Test
Location
Cabin
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

REFERENCING THE FOLLOWING L/P #''S FOR PASSENGER SERVICE UNITS FAILING TO OPEN CORRECTLY DURING TEST, CORRECTIVER ACTION AND REPAIR CONFIMRATION. 6202091 6202092 6202096 6202102 6202107 6202111 L/P #''S CONTINUED: 6202112, 6202115, 6202116, 6202117, 6202123, 6202124, 6202125, 6202126, 6202128, 6202132, 6202133, 6202134, 6202135, 6202136, 6202137, 6202139, 6202140, 6202141, 6202145, 6202147, 6202152, 6202154, 6202155, 6202156, 6202157, 6202159, 6202164, 6202170 6202179, 6202232, 6212288, AND 6202294.MULTIPLE PSU FAILED DOOR LATCH MECHANISM TEST, REMOVED PSUS AND INSTALLED PINS ON O2 GENERATORS REF MM 25-23-01-004-012 , VERIFIED PART NUMBER INSTALLATION AS REQUI RED. VERIFIED CORRECT PSU AND O2 GENERATOR PART NUMBER INSTALLED C/W IDT REQUIREMENTS REF GMM 09-10-05. DOOR LATCH OPS CHECKS NOR MAL. PERFORMED DOOR LATCH MECHANISM TEST REF AMM 35-21-00-705-076. OPS CHECK GOOD.

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