# SDR FDEA202311071843

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 7, 2023
- Submitted: November 8, 2023
- Operation: Air carrier
- Aircraft: [N991FD](https://openairdocs.org/aircraft/N991FD), registered now
- Make and model: Boeing 757-200 SERIES
- Registry model: [Boeing 757-200 SERIES](https://openairdocs.org/model/boeing-757-200-series) (OpenAirDocs)
- Aircraft serial: 22911
- Aircraft time: 86,317 hours, 44,189 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Powerpack
- Part number: S273N4016
- Condition: Failed
- Location: Mlg
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202311071843

## Discrepancy

MDIS  991     32-30  0510     07NOV23  OAK  FACT  U  REF. WRI 32-30/0482 E.O.  F-3230-E0376643 REV NO.  POS. P1, WHILE ACCOMPLISHING WORK CARD THE POWER  PACK FOR THE ALTERNATE EXTENSION SYSTEM DOES NOT  OPERATE AT ALL.   REASON CODE : PREMATURE REMOVAL/INSTALLATION  OFF  MPN: S273N401-6           CPN: 3215931   POS: ONL  ON  MPN: 1FA13050-5  SRL: 1970E6                    TAG NBR: 18E721    FACT 07NOV23 23:59   OAK U  AMM: 32-35-10-4  AMM: 32-35-00-5  REMOVED AND REPLACED ALTERNATE EXT. SYSTEM POWER  PACK, OPS AND LEAK CHECK OK REF. B757 MM 32-35-10-4  AND MM 32-35-00-5.

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