SDR UIEA2021021000272

Service difficulty report · Controller · Boeing 7673Y0

Difficulty date: February 9, 2021
Submitted: February 12, 2021
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 89,438 hours, 22,498 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Controller
Condition: Failed
Location: Duct Pressure
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

L DUCT PRESSURE AFTER ENGINE START @10 PSI AND L END R SLOW TO DEPLOY AND RETRACT(<P>ITEM TRANSFERRED TO MDDR 142202 PER MEL 36-11-02-02, CAT C, DUE 19 FEB21.</P><P>11FEB21 - LG PG 1251312 ITEM 4 TPA - REMOVED AND REPLACED PRESSURE REGULATING VALVE CONTROLLER IAW AMM 36-11-19. OPS AND LEAK CHECK GOOD, THIS CLEARS MEL 142202.</P>)

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